Select the four items that a caregiver can purchase to encourage cognitive development, hand-eye coordination, and motor skills. crackers or cerealtouch-and-feel booksswingsippy cupballsbaby genius DVDs such as Baby Einstein

there really is life in the deepest part

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

carbon atoms, hydrogen, oxygen, and nitrogen.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u