Safia and Jamila do a Experiment They move the lamp further away from the plant for each experiment. Here are their results.
Distance number in mins
10 98
20 54
40 26
Why do they use one minute for each experiment?

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

the correct answer is:

a population changes in response to a change in the environment.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called