Answer:
protons and neutrons
Explanation:
Protons and neutrons have a positive and neutral charge, respectively. They are in the nucleus, while the negative electrons orbit the nucleus.
Well depending on what the environmental change is the organisms will have to adapt, or move. if they don't they may not survive.
comment if you want an example or 2
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1
Answer:
During the day plants produce oxygen by splitting water molecules in the light-dependent reactions of photosynthesis. At the same time plants use cellular respiration to produce some of the carbon dioxide needed by the light-independent reactions to make sugars. During the night plants produce carbon dioxide because cellular respiration takes place
Explanation:
Photosynthesis is the manufacture of organic food materials in presence of sunlight energy while respiration is the breakdown of food materials in the presence of oxygen. Photosynthesis produces oxygen as a by-product that is used in respiration. Respiration produces carbon dioxide that is used in photosynthesis.
its letter b the genetic drift because it is mechanism of evolution in which allele frequencies of a population change over generation due to chance.
