are resources that come from living trees.

Lumber, pulp, and paper

Maple syrup, rubber, and nuts

Rubber, pulp, and paper

Pulp, maple syrup, and nuts

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements