A compound contains 12.97 grams of nitrogen and 37.03 grams of oxygen. Determine the empirical formula.

clouds form

solid ice forms on leaves.

water droplets form on grass.

1 a

2 d

3 a

4 c

explanation:

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

answer: they produce more slow than unicellular organisms.