Answer:
Take consistent amounts of their saliva samples with varying amounts of starch . (A.)
Answer:
early ventricular systole
Explanation:
Answer:
Soil erosion.
Explanation:
Soil erosion is the impact of floods on ecosystems because the floods moves very fast which takes soil with itself. Due to soil erosion, the productive layer of the soil or the layer in which nutrients are present are eroded which has a negative impact on the plants due to unavailability of nutrients. The floods moves very fast and the soil has no the ability to hold its particle tightly which leads to erosion of the soil that negatively affected the ecosystem.
The answer is e.
The troposphere.
D, because flatworm don't use cellular respiration nor do they use photosynthesis or make their own food neither do humans, which leaves the D, which is true. :)