Where do producers get matter and energy to live and grow?

A) the soil

B) all of these answers are correct

C) the sun

D) the atmosphere

Са Нѕ он сня 1 3 с-с-с-с-сно 빌 СН3 cool CH 3

What are pioneer species? a. Species which are the first to colonize previously biodiverse ecosystems. b. The last species to appear in an area after a disturbance. c. Only species that live in a climax forest. d. None of these answers are correct.

Where on the periodic table are the transition metals located

One atom of silicon can properly be combined in a compound with A. four atoms of calcium. B. one atom of chlorine. C. two atoms of oxygen. D. three atoms of hydrogen.

Calculate the mass of urea that should be dissolved in 175 g of water at 35°C to produce a solution with a vapor pressure of 38.1 mmHg. (At 35°C, P o water = 42.2 mmHg.)

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?