1)Radiant to chemical
2)Decrease in snakes, coyotes, and hawks
3)Energy increases as you move from left to right
The best answer is b - experiment.
An organized process that is used to gather and analyze observations and test a hypothesis is an experiment.
An experiment is the fourth step in scientific method after observation, question and hypothesis.
An experiment is a test that is carried out under controlled conditions with the purpose of demonstrating a known truth, determine the efficacy of a yet untried thing or to examine the validity of a hypothesis.
A hypothesis is a proposed solution for an occurrence that is still unexplained and which does not fit in current accepted scientific theory.
Michael Scott from The Office did a fun run for rabies but not influenza. That is, in fact, a difference.
Answers:
1. C is correct answer. Y is a liquid because it fills up to the entire container.
2. C is correct answer. The two substances are the same because their intensive property is the same.
Hope it helped.
-Charlie