In rails, what is the primary function of activerecord? (choose the best answer)

The majority of the body's fluid is found within the

If nondisjunction occurs and individual survives, which disorder can occur

All matter is made up of atoms that cannot be divided or destroyed. True or False

Scientists conduct experiments to collect evidence. Which of the following is the best definition of the word experiment as used by scientists? A. the formation of a hypothesis B. making a series of observations C.

What did the different colored bands signify in each solvent for part 1 of the paper chromatography experiment? what pigments can you associate with them?

Ovules and pollen grains take part in what process?

Human activities, such as the burning of fossil fuels, result in air pollution. what could be an outcome if the amount of smoke released is not regulated?

In cases of liver or kidney failure, doses of medication may need to be:

A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to the mice that have cancer.

The genome of the pufferfish, Fugu rubripes, is only one-tenth the size of mammalian genomes. Which of the following most likely accounts for this difference? Choose one: A. movement of mobile genetic elements B.