HELP PLS Danielle lives with her family on a farm. In school, she has been learning about the nitrogen cycle in science class. She knows that her father spread a nitrogen-based fertilizer on a patch of grass recently where the cows graze in the field. Why was it necessary to add a nitrogen-based fertilizer to the soil where there was a patch of grass?

a.because nitrogen can only be “fixed” by lightning
b.because there are no decomposers on the farm
c.because bacteria released all of the nitrogen into the air
d.because plants cannot use “free” nitrogen

Answers

Answer 1
I believe it is B. If this is correct, please mark brainliest! :))
Answer 2

It necessary to add a nitrogen-based fertilizer to the soil where there was a patch of grass - d. because plants cannot use “free” nitrogen.

Nitrogen cycle is the series of processes where nitrogen converts into its compound move through the environment and in living organisms.

The processes here include fixation, ammonification, nitrification and denitrification.Majority of Earth's atmosphere is nitrogen.Nitrogen fixation is the process allows free nitrogen to available for plants.Plants can not use free nitrogen their for they require fixation and nitrogen fixating bacteria in nature.nitrogen fertilizers provide nitrogen for plants in soil therefore it necessary to add a nitrogen-based fertilizer to the soil.

Thus, It necessary to add a nitrogen-based fertilizer to the soil where there was a patch of grass - d. because plants cannot use “free” nitrogen.

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Related Questions

Neurons that analyze visual input and respond to specific things are called

Answers

Bottom-up processing. Neurons that analyze visual input and respond to specific things are called. Feature detectors.

Answer: Feature detectors


Which describes a difference between bivalves and cephalopods?
Bivalves use tube feet for movement, and cephalopods use muscular feet for movement.
Bivalves live only in ocean environments, and cephalopods live in a variety of aquatic environments.
O Bivalves use a radula to feed, and cephalopods use filter-like structures to feed.
O Bivalves have an open circulatory system, and cephalopods have a closed circulatory system.

Answers

Answer: D - Bivalves have an open circulatory system, cephalopods have a closed circulatory system

Explanation: I had to research the differences to find the answer

A difference between bivalves and cephalopods are bivalve animals use a radula to feed, and cephalopods use filter-like structures to feed, that is the third option, where they both belong to the Mollusca phylum.

What is the significance of bivalves and cephalopods?

Both bivalves and cephalopods belong to the mollusca phylum, and they are invertebrates, some of the bivalves, such as oysters and mussels, are important as they are a source of food for humans and as filter-feeding organisms; at the same time, squid and octopus are cephalopods. These organisms are significant in different fields of study, such as neuroscience and evolution.

Hence, a difference between bivalves and cephalopods are bivalve animals use a radula to feed, and cephalopods use filter-like structures to feed, that is the third option, where they both belong to the Mollusca phylum.

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Which of the following is NOT a property of water?
O A) It is a good solvent.
OB) It is denser when frozen than when liquid.
OC) It resists temperature changes.
OD) it is cohesive.
O El It can be found as a solid. liquid. or gas.

Answers

Answer:

It is denser when frozen than when liquid.

Explanation:

Ice is actually less dense than water. The lattice arrangement of ice allows water molecules to be more spread out than in a liquid, making ice less dense than water.

Hope that helps.

HELPPPPP ASAPPPPP PLEASEEEEE OMG

Answers

Answer:

B. A solute

Explanation:

Which microscope is used to check organelles of human cheek cell?

Answers

Answer:

4x or 10x

Explanation:

You need one of those to find the cells and then you can increase magnification

Select the correct answer. Which description is an example of gravitational potential energy transforming into kinetic energy? A.)water flowing downhill and spinning turbines
B.)upward currents of wind spinning blades of a windmill.
C.) plants performing photosynthesis D.) loudspeakers producing sound from electrical signals.​

Answers

Answer:

A- water flowing downhill and spinning turbines

Explanation:

right on plato/edmentum

Appendages in arthropods are most similar to ______ in humans

a: bones
b: arms
c: chests
d: mouths

Answers

Answer:

a

Explanation:

Answer:

Bones

Explanation:

Whats planets rotates in a reclining position?

Answers

Answer:

Jupiter. Mercury. Saturn

Explanation:

Fill in the blank below with the vocabulary word that best completes the sentence, is the science of naming and dassifying organisms based on structural comparisons and genetic evidence​

Answers

Answer:Taxonomy

Explanation:

Which of the following is a renewable source of energy?
O A. Solar energy
O B. Nuclear power
C. Coal
D. Natural gas

Answers

Answer: A. Solar energy

Explanation:

Hope this helps :)

Solar energy is the renewable source of energy. So, the correct option is A.

What is Renewable resources?

A natural resource that can be replenished to replace the portion used up by usage and consumption is known as a renewable resource, furthermore known as a flow resource. This replenishment can occur naturally through reproduction or through other recurring processes in a limited amount of time on a human time scale.

Renewable energy is generated by renewable resources that replace themselves more quickly than they are used up. Examples of these sources that are continuously replenished are the sun and the wind.

Solar energy, wind, falling water, geothermal heat from the soil, biomass from plants, waves, ocean currents, temperature variations in the oceans, and tide energy are all examples of renewable resources.

Therefore, the correct option is A.

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First one to answer gets brainly! Just answer in one paragraph please

Should all nations face the same percentage reductions in emissions, or should some nations carry more of the burden than others ?

Answers

Answer:

all nations should face the same percentage reductions in emissions

Explanation:

Answer the question above

Answers

Answer:

F

Explanation:

Cleo found an arthropod in a grassy field. The arthropod has six pairs of legs, two pairs of antennae, two body sections, and an open circulatory system

Q: Which conclusion is best supported by the information?

A: The arthropod is an arachnid because it has two body sections and an open circulatory system.
B: The arthropod is an arachnid because it has six pairs of legs and two pairs of antennae.
C:The arthropod is a crustacean because it has two body sections and an open circulatory system.
D: The arthropod is a crustacean because it has six pairs of legs and two pairs of antennae.

Answers

Answer: C:The arthropod is a crustacean because it has two body sections and an open circulatory system.

Explanation:

Crustacea are the arthropods. which includes the crabs, shrimp, barnacles, and others. These are the insects. These are the invertebrates. They have hard exoskeleton and segmented body forms. They are bilaterally symmetrical animals. They have four to six pairs of appendages which are jointed. Open circulatory system is present due to lack of developed blood vessels circulation.

Answer:

c

Explanation:

got it right on enginuity

What tools can be used to make observations of the sparkles of a mineral?

Hammer
Streak plate
Flashlight
Steel nails

Answers

Answer: Flashlight

Explanation: The sparkles of a mineral is also known as it's luster. For example, a diamond when in the sun or under a source of light will shine due to the reflection of the sun. A flashlight is also a tool that can be used to observe the sparkles of a mineral, or in other words it's luster.

Hope this helps! <3

Which of the following is a molecule?
A. Argon
B. Water
C. Nitrogen
D. Uranium

Answers

Answer:

Argon- a chemical element

Water- polar molecule

Nitrogen- chemical compound

Uranium- chemical element

Hope this helps! :)

Please give brainliest

:)

Explanation:

In conclusion B. water is a molecule

1. Represent Relationships:
Use the data table to complete a graph of the
changes in the deer population. Then
describe the trend in the graph.

2. SEP Interpret Data:
What factors do you think might be responsible for the
changes in the deer population?

Answers

Answer:Some of these include: disease, predator/prey relationships, habitat destruction and degradation, food availability, hunting pressure, and weather conditions. Deer populations are not static; they continuously change in response to many factors.

Missing: SEP ‎| Must include: SEP

Explanation:

If the paramecium is then placed in a hypertonic environment, which of the following will occur?

Answers

Answer:

To maintain homeostasis, the paramecium must pump out large amounts of water using its contractile vacuole. If the paramecium is then placed in a hypertonic environment, which of the following will occur? A Water will diffuse into the paramecium.

Explanation:

please look at this picture and help me out!

Answers

Answer:

D

Explanation:

Which of the following factors most likely triggers arousal from hibernation?

A) the sun rising in the morning B)snow falling onto the ground
C) the environmental temperature dropping below 0 °C
D) a significant decrease in the animal's respiration rate

Answers

Answer:

A) the sun rising in the morning

Explanation:

In biology, hibernation refers to a physiological state where a plant or animal is metabolically inactive in the winter period (characterized by extreme cold). As far as the animal or plant is concerned, the cold weather during winter is an adverse condition, hence, they undergo hibernation in order to conserve their energy.

According to this question, arousal or wakening from hibernation would be triggered in the presence of heat source, which in this case is the SUN RISING IN THE MORNING.

Why is the tundra the most fragile biome?
a- extreme conditions
b-large human population
c-vast food web
d-large amounts of rain, washing pollutants into water sources

Answers

Answer:I’d say a

Explanation:

It’s a super cold place

Answer: I’ll say A only because...


Explanation: It’s extremely cold there

what are the steps in the digestion of protein​

Answers

answer - Protein digestion begins when you first start chewing. There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains

Explanation:

Protein digestion begins when you first start chewing. There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids.

hope it helps!

Which of the following statements is true?
Humans are at the top of the evolutionary ladder because we have the largest brains.
Humans are more complicated than crickets, so they are better organisms.
Any type of change in the shape or behavior of an organism is considered an evolution.
Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.

Answers

D) Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.

Answer:

Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.

Explanation:

Which level of organization is shown in the image? Cell. Tissue. Organ. Organ system. "Cobblestones" is not an option.

Answers

This is adipose tissue.-----tissue level

Carbon moves out of the
_by decomposition
O Hydrosphere
O Geosphere
O Atmosphere
Biosphere

Answers

c

Explanation:

atmosphere(Atmosphere)

How many of these structures are visible on the plant diagram?

Answers

On plant diagrams it can show the root,stem and the petals and the inside of the tree I think

Are the fatty acid tails saturated or unsaturated?
and What type of lipid is shown in the picture?

Answers

Answer:

The fatty acid tails saturated or unsaturated is discussed below in details.

Explanation:

Fatty acids contain a carboxylic acid association and a great hydrocarbon series, which can either be saturated or unsaturated. A saturated fatty acid tail only contains carbon-carbon individual bonds, and an unsaturated fatty acid has at the slightest individual carbon-carbon twice or triples bond.

Describe how transposable elements create mutations within an organism and how transposable elements facilitate chromosomal rearrangements.

Answers

Answer:

Transposable elements are discrete segments of DNA that can be excised and reintegrated to another site in the genome, these can inactivate the gene in which they reside, cause chromosome breaks, and / or transpose to a new location within the genome.

Explanation:

Transposable elements are fragments of DNA that have the ability to jump from one part of the genome to another. While most of the DNA is always in the same place surrounded by the same neighboring pieces of DNA, mobile elements move from one place to another causing many changes or mutations. When a transposon moves through the genome, it can insert into a vital gene, disrupting its function, or into a location near vital genes, causing erroneous activation or inactivation.On the other hand, there can be chromosomal rearrangements due to transposons of the same family with complementary sequences that are separated in the genome and that by sequence homology match. This can lead to ectopic recombination. Large-scale rearrangements induced by mobile elements are considered a particular class of recombination events that influence genomic plasticity.

What are the Complementary DNA base pairs: ATTGGCCTAGC *

Answers

Answer:

taaccggatcg

Explanation:

Which three processes happen as a multicellur organism grows

Answers

Answer:

The four essential processes by which a multicellular organism is made: cell proliferation, cell specialization, cell interaction, and cell movement. In a developing embryo, all these processes are happening at once, in a kaleidoscopic variety of different ways in different parts of the organism.

cell proliferation, cell specialization, cell interaction, and cell movement.

Which material would get electrons from the source to the load the fastest

Answers

Answer:

However, graphene has far fewer electrons than copper, so in graphene the electrical current is carried by only a few electrons moving much faster than the electrons in copper." In semiconductors, a different measure, mobility, is used to quantify how fast electrons move.

Answer:

D

Explanation:

D

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