Chemistry, 10.02.2020 22:21, smady

PLEASE HELP ASAP

The primary source of nitrogen for the proteins in our body tissues is nitrogen:

A released as a gas by volcanoes.

B found in plant and animal proteins we eat.

C released by dead and decaying organisms into the air.

D absorbed directly from the air

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:40, carlosleblanc26

What is the mass of 8 moles of sodium atoms

Answers: 1

continue

Chemistry, 22.06.2019 14:00, hammackkatelyn60

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

Answers: 3

continue

Chemistry, 22.06.2019 16:00, emma5743

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Answers: 2

continue

Chemistry, 22.06.2019 16:50, brandiwingard

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Answers: 2

continue

Do you know the correct answer?

PLEASE HELP ASAP

The primary source of nitrogen for the proteins in our body tissues is...