Phids are eaten by blackbirds. Peach trees are eaten by aphids. The blackbirds are eaten by kestrels. The farmer sprays her peach trees with DDT. Which species will have the greatest concentration of DDT?Immersive Reader

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.