Which of the following involves a change in the physical properties only?


baking a loaf of bread

burning a match

freezing water into ice cubes

mixing an acid and a base

A covalent bond is formed by:loss of electrons between atomssharing of electrons between atomsgain of electrons between atomsvalence electron shells overlaping, forming a "sea of electrons" In the following expression, both A and B are variables that can take positive values.2\sqrt(A)-(B)/(5)Which of these actions will cause the expression's value to increase?Choose 2 answers:(Choice A)Keeping A constant and increasing B(Choice B)BKeeping A constant and decreasing B(Choice C)CIncreasing A and keeping B constant(Choice D)DDecreasing A and keeping B constant Help This is due in 30 mins! PLEASE?What climate condition occurs during El Nio?dry heat throughout North Americawarm water moving toward the coast of South Americaheavy rain moving toward the coast of South Americaflooding throughout North America Chicken liver is placed into lemon juice for 10 minutes. What type of evidence of a chemical reaction would be expected to occur when H2O2 (hydrogen peroxide) were added? A) a lot of bubbles within a few seconds B) some bubbles within the first minute C) very few to no bubbles D) the liver will catch fire, explote and cause the school to evacuate. Which two statements describe causes for Egypts defeat against the Hyksos?The Hyksos and Assyrians formed an alliance.The Hyksos used horse-drawn chariots with bronze weapons.The Persians betrayed the Egyptians to the Hyksos.The Egyptians fought on foot with copper and stone weapons.The Egyptians were recovering from a famine. Who became the prime minister of Britain after the french and Indian war In this image, what represents space?Cartoon animals in a forest.the blue sky at the backthe white of the tree trunkthe leaves behind the branchesthe trees in the distant background Alex tried to solve the equation 14x+12=2. What was his mistake?:(( hellppp 3. You raise your hand in class to answer a question that the professor asked. Whichmuscle type did you just use? Briefly explain your answer. The Bill of Rights secures fair, legal treatment for citizens. Which of the following displays this treatment?O a Citizens shall be required to wait until the court system is ready to hear their trial, even if it takes a long amount of time.Citizens shall be required to pay large sums of money to be considered not guiltyCitizens shall be brought to trial, even if there is not enough evidence to show they committed a crime.Citizens shall not be charged for the same crime twice. Identify the equatorial rainforest area that is the largest, after the AmazonBasin.A Congo BasinB Indonesian islandsC south east Asia D Mehagreb region Which of the followings is not primary data *5 points1 test marketing reports2 focus group meeting notes3 surveys4 periodicals. Question 1 Give the correct number of significant figures for 4500, 4500., 0.0032, 0.04050Question 2 Give the answer to the correct number of significant figures:4503 + 34.90 + 550 = ?the correct number of significant figures.uction 2 Give If the product (2x + 3)(x + k) is 2x2 + 13x + 15, what is the value of k? In the diagram shown, M, N and P are collinear and QM=QN as shown. If mMQN = 48" andmNQP = 33. Justify why QNP must be isosceles. Is H20 > H2 + O2 a balanced equation? What is the Awnser to this? Write an example of an adjective coming AFTER a noun. One example that I know is "chica rubio", where it translates to " blond girl" but I wanted to know some more examples. Is sickle cell anemia caused by genetic or environmental factors 3If a is 63% of x and c is8the closest equivalent of the ratio of a to c? of x, which of the following isO CE