When we look at a chemical equation the substances present before a chemical equation are called the
(5)__, and the substances produced afterward are
.
called the (6) _ _. Through the process of a
chemical reaction, we know that mass cannot be
created or destroyed according to the (7) Law.
This is reflected in a chemical equation that is (8)
, where the total amount of (9)
side of the equation equals the total amount on the
other side.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.