Answer the following question given this paragraph: All chemical reactions need energy to get started. Even reactions that release energy need a boost of energy in order to begin. The energy needed to start a chemical reaction is called activation energy . Activation energy is like the push a child needs to start going down a playground slide. The push gives the child enough energy to start moving, but once she starts, she keeps moving without being pushed again. Activation energy is illustrated in Figure below . Q: What is the amount of energy required to begin a chemical reaction known as? Choices: - decomposition energy - reaction energy - positive energy - activation energy A:
activation energy
(Question)
Answer the following question given this paragraph: Evolution focuses on past life forms and how they turned into present life forms. The history of life on Earth demonstrates how the first cells formed, turned into simple life forms, and then became more complex plants and animals. The studies of Charles Darwin have reshaped and influenced all aspects of biology. The myriad evidence of evolution demonstrates the importance of the theory of evolution by natural selection. Lastly, the current focus on evolution demonstrates that evolution is a continuous and ongoing process that continues today. Q: Focused on evolution, the studies of what man have reshaped and influenced all aspects of biology? Choices: - Linnaeus - scopes - Albert Einstein - charles darwin A:
(Answer)
charles darwin
Ques: Answer the following question given this paragraph: The spiral structure in the picture is a large organic molecule. Can you guess what it is? Here's a hint: molecules like this one determine who you are. They contain genetic information that controls your characteristics. They determine your eye color, facial features, and other physical attributes. What molecule is it?. Q: What is the distinctive shape of the molecule that contains genetic information? Choices: - cube - conical - cylindrical - spiral A:
Ans: spiral
(Q).
Answer the following question given this paragraph: Ecosystems require constant inputs of energy from sunlight or chemicals. Q: What do ecosystems require constant inputs of? Choices: - Water - fuel - heating - energy A:
(A).
energy
Ques:Answer the following question given this paragraph: Puberty is the stage of life when a child becomes sexually mature. Puberty lasts from about 12 to 18 years of age in boys and from about 10 to 16 years of age in girls. The age when puberty begins is different from one child to another. Children that begin puberty much earlier or later than their peers may feel self-conscious. They may also worry that something is wrong with them. Usually, an early or late puberty is perfectly normal. Q: What is the name of the life stage when a child becomes sexually mature? Choices: - adolescence - maturity - adulthood - puberty A:

Ans:puberty
Question: Answer the following question given this paragraph: Conditioning is a way of learning that involves a reward or punishment. Did you ever train a dog to fetch a ball or stick by rewarding it with treats? If you did, you were using conditioning. Another example of conditioning is shown in the video below; the rats have been taught to "play basketball" by being rewarded with food pellets. What do you think would happen if the rats were no longer rewarded for this behavior?. Q: What is the name for a way of learning that involves reward or punishment? Choices: - subjective - instinct - objective - conditioning A:
Answer:
conditioning