A boxer has been jumping rope for an hour. His leg muscles are burning, and he feels weak. Which substance is the most likely cause of the burning he feels in his muscles?

What would a scientist next step be if his/her data failed to support his/her hypothesis?

Molecules are held together by chemical bonds which are basically the energy relationships between atoms.

What particle flows to produce electricity

Which of these is not true about weight? A) It is a measurement of how heavy an object is. B) It is always the same as mass, regardless of gravity. C) It is affected by an object's mass and the force of gravity. D) It is commonly measured in pounds.

The best action humans can take to decrease the effect of harmful growth and reproduction of algae is to ban the use of fertilizers. decrease crop production. control the use of fertilizers. use other chemicals.

When a population continues to grow past its carrying capacity the population will go extinct? true or false

Which statement describes how mutualism and commensalism are similar? A. At least one organism is hurt or harmed by the relationship. B. The relationship is beneficial to neither organism. C. At least one organism benefits from the relationship. D.

Give an example of a stimulus, and explain how your nervous system and muscular system work together to respond to it. Use complete sentences.

Which taxon group is more specific, in regards to organisms that are in that group? Mammalia Tursiops Which taxon group is more specific, in regards to organisms that are in that group?

On the galapagos islands, darwin discovered birds with differently shaped beaks. what might this tell you about the eating habits of the birds on different islands