The control group is important because… a. you have many of them in your experiment and they allow you to test many independent variables. b. they show you predictable results under normal conditions and serve as a basis for comparison with any experimental groups. c. they allow you to control the outcome of your experiment. d. they provide a situation where all conditions are

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

What are the three different shapes or structures shapes or structure of carbon-based molecules?