Biology, 23.06.2019 17:10 alyssa0888
1. which of the following is a physical change? (2 points) an iron chair rusts when left outside a sample of water boils and releases gas. a plant changes carbon dioxide and water into sugar. a newspaper burns when placed in a fire.
Answers: 2
Biology, 21.06.2019 23:30
What is the relationship between absorbance of light and the rate of photosynthesis?
Answers: 1
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 05:30
Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air
Answers: 2
Biology, 22.06.2019 08:00
Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.
Answers: 1
1. which of the following is a physical change? (2 points) an iron chair rusts when left outside a...
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