11.   Plants absorb moisture that eventually evaporates, which helps clouds to form.

12.   Spider plants absorb formaldehyde, which is released from insulation, carpeting and plywood.

13.   The researchers reached this conclusion by analyzing changes in solar radiation absorbed by plants as they perform photosynthesis.

14.   Through photosynthesis, all green plants absorb carbon to grow.

15.   To improve the soil, she tills in compost and pine-bark mulch, which lowers the alkalinity so plants can absorb nutrients.

16.   When a plant cannot absorb needed iron, as well as magnesium, the result is yellowish leaves.

17.   When we apply a lot of city water and a plant cannot absorb needed iron, as well as magnesium, the result is yellowish leaves.

18.   Plants absorb these chemicals into their systems.

19.   Plants absorb carbon dioxide and give off oxygen, then returning carbon dioxide to the atmosphere when they decay.

20.   Plants absorb carbon dioxide and give off oxygen.