Answer:
dust smoke and dirts produced by old vehicles
Explanation:
cuz they are used almost everyday and produces polluted air
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Answer:
Cellular respiration occurs in both plant and animal cells.
Explanation:
Cellular respiration occurs in both plant and animal cells, and is an essential process that organisms need to survive.
Cellular respiration is the main way that organisms create energy from the food that they eat.
It occurs in both plant and animal cells because both plants and animals need a way to convert their food into energy forms, such as ATP.
So, the correct answer is that cellular respiration occurs in both plant and animal cells.
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Sickle cell anemia results from a mutation in a gene called HBB, which contains the blueprint for cells to make part of a protein called hemoglobin. The hemoglobin protein is made up of two alpha chains and two beta chains.
Sickle cell anemia is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation causes the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated. The sickle-shaped blood cells clog in the capillaries, cutting off circulation.
The animal may not be able to find enough food or mates
Carbon dioxide because people in other animals exhale carbon dioxide as a waste product. People and other animals need oxygen for plants produce oxygen during an important process called photosynthesis which turns the sun energy into nutrients so carbon dioxide would be the answer.
