Mary is conducting an experiment on how pollution affects plant growth. How can she ensure that her data are reliable? by repeating trials during an experiment
by keeping the results private
by recording values without units
by making a single observation

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes