1. B A reduction in competition.
2. C. Respiratory system
Answer:
the answer is
Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.Increasing the light intensity increases the rate of photosynthesis, until some other factor a limiting factor becomes in short supply. At very high light intensities,photosynthesis is slowed and then inhibited, but these light intensities do not occur in nature.
Explanation:
I think it’s 24 not sure but maby
To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.
