What does specific heat mean?

Answer:

Kudzu in the United States has become an environmental concern.

It is naturally coded to spread quickly. The advantage to that is that it was useful in the prevention of erosion and management of the landscape.

Presently, it is creating an ecological imbalance. Kudzu is very efficient at collecting and converting sunlight more than the local plant species and even tree plants. The competition from Kudzu is so tough, tree plants are being starved off of soil nutrients and sunlight and are unable to survive.

Even the wildlife are affected as the crops which they forage on cannot are outcompeted by Kudzu.

Cheers!

Answer:

The correct answer is - option B) humidity.

Explanation:

Independent variable is the variable in a scientific experiment that can be modify or change in order to find out the response and analyse the response of dependent variable.

In this experiment the independent variable is humidity as it is changed in order to find out and study plant growth response by the effect of humidity.

Thus, the correct answer is - option B) humidity.

Answer:

pee in a cup

Explanation:

right answer

Answer:

By 2014, a huge clump of warm water developed towards the coast end, creating a catalyst that has additionally changed this underwater environment. The determined warmer sea temperatures stress the kelp forests to the point that growth and reproduction have slowed drastically and caused damage to remaining fronds and tissue.

Answer:

less; reduced

Explanation:

Compared to dry environments, evaporation of sweat is less in humid environments, resulting in reduced body cooling.

In dry environment, the body sweats more in order to compensate for the rate at which evaporation occurs from the surface of the skin. However, in humid environment, sweating is reduced because the rate of evaporation of water from the surface of the skin is not as much as in dry environment. Since evaporation causes cooling, it means that there would be reduced body cooling in humid environments.

Answer:

400

Explanation:

Scientists tagged 80 hitch. When they capture 100 hitch, 20 are tagged. In order to estimate the population of hitch, we can assume that this proportion is consistent.

This means for every 20 tagged hitch, there are 80 untagged. We know there are 80 tagged total, so we need to multiply 20 by 4 to get it to 80. To keep the proportion equal we also need to multiply the untagged hitch.

[tex]\frac{20}{80}[/tex] * [tex]\frac{4}{4}[/tex] = [tex]\frac{80}{320}[/tex]

Still following the proportion, we have 80 tagged hitch and 320 untagged hitch. 80 + 320 = 400 hitch total.

Answer:

dependent variable

Explanation:

a dependent variable changes as a result of the manipulated variable.

Answer:

How do polar molecules form hydrogen bonds?

Polar molecules form hydrogen bonds when hydrogen is bonded to Nitrogen, Oxygen, or Fiorina. This is because these atoms are highly electro-negative meaning they often have the electron they have sharing with hydrogen. Hydrogen atoms bonded with these atoms are attracted to the partial negative charge of similar atoms.

What determines whether a compound will dissolve in water?

Water is a polar molecule and transmits a partial positive and negative change between its atoms, enabling it to easily dissolve other ions and polar molecules.

How do polar molecules differ from non-polar molecules?

Polar molecules have charged regions due to unequal sharing of electrons/ Nonpolar molecules do not have charged regions because electrons are shared more equally. The charge differences tend to keep the molecules separate.

Describe an example of cohesion or adhesion that you might observe in your daily life.

Cohesion: water beading on a surface.

Adhesion: water sticking to the side of glass.

Answer:

All life forms have one essential purpose

Explanation:

Survival. This is even more important than reproduction. After all, babies and grannies are alive but don't reproduce. To be alive is more than passing genes along

Enzymes are made up of amino acids which are linked together via amide (peptide) bonds in a linear chain. This is the primary structure. The resulting amino acid chain is called a polypeptide or protein. The specific order of amino acid in the protein is encoded by the DNA sequence of the corresponding gene

Answer:

The correct answer would be C, burning of wood and coal

Explanation:

The burning of fossil fuels (coal, oil, natural gases) increases the greenhouse gases in the atmosphere.

The factors that will cause an increase in greenhouse gases is the burning of wood and coal.

Greenhouse gases are gases such as carbon dioxide or CFCs, that contributes to the greenhouse effect when released into the atmosphere.

Greenhouse gases have the ability to trap and release heat in their chemical bonds.

Examples of greenhouse gases are;

Therefore, the factors that will cause an increase in greenhouse gases is the burning of wood and coal.

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Answer:

because they have to be seperated

Explanation:

Explanation:

filtration or capillary filtration

In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called osmosis. The pressure is osmotic pressure.

Osmosis is a process when the molecules travel from a high concentration to a low concentration region. It is the diffusion of material from a semipermeable membrane.

The blood capillaries are part of the circulatory system of the body. They are of two types, artery, and veins. They circulate blood in the body. Blood pressure is the pressure exerted by the movement of blood on the arteries and veins.

The process of osmosis happens when the fluid is exerted in the blood capillaries through the gaps.

Thus, Osmosis is a phenomenon in blood capillaries where blood pressure pushes fluid through openings in the capillary wall. Osmotic pressure is present.

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.

Answer:

Explanation:

Oh

Answer:

because now they have had many successful landings on mars like curiosity,spirit,and many others l.Now they know the best ways to land and how to do all the procedures.

NASA is now more accurate and precise with the Martian landing because they improved the interplanetary navigation that significantly tightened the eclipse between the period from 1997 to 2008.

Martian landing may also be called a Mars landing which illustrates a landing of a spacecraft on the surface of Mars. It is initiated when the spacecraft reaches the top of the Martian atmosphere, traveling nearly 12,500 miles per hour.

The landing on Mars seems difficult for all space organizations but NASA's Perseverance rover makes this possible in order to touch down the most challenging terrain on Mars that has been ever targeted.

Apart from this, the landing of NASA's Pathfinder and Pheonix also have remarkable success in the landing. Also, NASA has well-developed technologies in the field of research with good experience and talent.

Therefore, NASA is now more accurate and precise with the Martian landing because they improved interplanetary navigation.

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Answer:

Eukaryotic cells evolved from prokaryotic cells.

Explanation:

The endosymbiotic theory states that some of the organelles in today's eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are believed to have been developed over time.

Answer:

C is then answer.

Explanation:

Answer is C

I know because I'm smart

Explanation:

Scientists increasingly view earth as a dynamic system. A combination of interrelated interdependent or interacting parts forming a collective whole or entity

Cell division occurs in mitosis.

Mitosis is called the process in which there is non-sexual reproduction of cells in which the genetic material is duplicated to generate another cell with the same characteristics of the original cell. Mitosis occurs in cells from the human body or from other species and can occur in processes in which there is damage to some tissue and it has to be repaired.

Mitosis is made up of different phases in which cellular changes are generated to be able to carry out this cell replication, within the stages are: interphase, prophase, prometaphase, metaphase, anaphase and telophase.

Therefore, we can confirm that cell division occurs in mitosis.

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Answer:

1.) Dependent variable is weight

Independent variable is growth hormones.

2.) Independent variable is mosquito repellent

Dependent variable is number of bites

3.)Dependent is water

Independent is mass

4.) Indepent is the whole scenario

Dependent is the speed and how it affects the cars.

5.) Independent is the wet or dry enviroment

Dependent is the time spent

Explanation:

Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.

The dependent variable is the variable that is being measured or tested. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores since that is what is being measured.

This is different than the independent variable in an experiment, which is a variable that stands on its own. The independent variable (tutoring) doesn't change based on other variables, but the dependent variable (test scores) may.

One way to help identify the dependent variable is to remember that it depends on the independent variable. When researchers make changes to the independent variable, they then measure any resulting changes to the dependent variable.

Therefore, Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.

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Drug resistant bacteria are bacteria that are killed, removed or controlled by antibiotics.

Examples of drug-resistant bacteria are;



Scientists are concerned about genetic mutation that causes drug resistance in bacteria because it leads to increase rate of infection and incurable diseases. There is still hope as sophisticated measures are being carried out to inhibit the horizontal gene transfer in these organisms and can serve as a novel therapeutic strategy to fight drug resistance.

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Explanation:

it is the Plato answer

Answer:

Although there are no options but this investigation is a COMPARATIVE investigation

Explanation:

Scientific investigations aims at satisfying a curiosity or a way of explaining natural phenomena. There are three types of investigations viz: descriptive, comparative and experimental investigations.

Comparative investigation is a type of investigation that involves collecting data on different organisms, locations etc for the sole purpose of comparing. It aims at confirming if there is a relationship between i.e. similarities/differences. In this question, two species of squirrels are being observed for their similarities and differences i.e. the aim of the investigation is COMPARISON. Hence, it is an example of comparative investigation

Answer:

yea

Explanation:

Answer:

Yes

Explanation:

Believe it or not, they are! They are parts of an ecosystem because in often cases, they provide heat that helps keep many organisms and animals alive!  Hope this helped!

The given question is incomplete, however, the question missing part is as follows,

What is the INDEPENDENT variable?

Answer:

The correct answer would be : wet or dry environment.

Explanation:

Independent variable is a variable that can be changed or manipulated by the researcher or student in order to carryout study on the response on dependent variable.

In this case or experiment, researcher can make environment of the container wet or dry, however it is depend on pilbugs to go which type of environment or side and stay for what time.

Thus, the independent variable would be wet or dry container.

Answer:

Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.

The utilization of resources by the living organisms which are biotic factors influence the abiotic factors, which are the resources.

The term biotic factors means the factors of components of the ecosystem which are living. Therefore it can be said that all living organisms present on earth are biotic components.

Examples of biotic factors are plants, animals, human beings, decomposers, yeast, insects, etc. All of these factors or biotic components interact with each other for the development of new generations. That means reproducing new organisms to maintain the food chain.

The components of the ecosystem that are non-living are termed abiotic factors. They play a very important role in the maintenance of ecosystems. The interaction of the biotic and abiotic factors is important for the stability of the ecosystem.

Some examples of abiotic factors are air, weather, water, temperature, humidity, altitude, pH, level of soil, types of soil and more, water flow rate, water depth, etc.

Therefore, the use of water and land by living organisms are some of the many examples by which biotic factors affect abiotic factors.

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Answer: Two or more atoms held together with bonds make up a molecule.

Explanation:

Two or more atoms held together with bonds make up a molecule. Thus option a is not a true statement.

A covalent bond is defined as  a chemical bond that includes the sharing of electron pair between atoms.

The pair of electrons are know as bonding pairs and the stable balance of attractive and repulsive forces between atoms.

The properties of covalent bond are mentioned below:

The covalent compounds have low melting points and boiling points.

The covalent compounds do not contain electricity.

The covalent compounds are  having lower enthalpies of vaporization and fusion.

The covalent compounds are easily catches fire and are more flammable than ionic compounds.

The covalent compounds are very soft and flexible.

The physical properties of covalent compounds are that they have lower melting points and electrical conductivity.

Therefore, two or more atoms held together with bonds make up a molecule. Thus option a is not a true statement.

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