What is the niche of a decomposer? Group of answer choices

It eats other organisms to keep population levels stable

It produces food for itself using photosynthesis

It breaks down dead material to recycle nutrients back to the soil

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)