Biology, 08.10.2021 09:50 bbrogle4070
Some substances in nature can be harmful to humans in large concentrations. In these cases, such substances can become pollutants. What natural source of air pollution consists of spores and can be found both inside and outside homes and businesses?
Answers: 2
Biology, 21.06.2019 16:10
Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.
Answers: 1
Biology, 21.06.2019 17:30
Look at the picture below . what does this picture represent ?
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Biology, 22.06.2019 01:00
When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
Answers: 2
Biology, 22.06.2019 07:30
The equation shows cellular respiration. during cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and atp. what happens to the energy in the bonds in glucose? the energy is transferred to oxygen. the energy is transferred to carbon dioxide. the energy is transferred to water. the energy is transferred to atp.
Answers: 2
Some substances in nature can be harmful to humans in large concentrations. In these cases, such sub...
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