Answer:
A negative feedback loops is when glucose levels get too high, the body releases insulin into the bloodstream to get back to normal blood levels.
Answer;
-All of the above
Explanation;
-Mining has a large impact on the environment because minerals are contained within the Earth. Earth must be removed in order to extract the minerals. When the minerals are close to the surface, the earth is removed, causing destruction to the shape of the land and the flora and fauna living in that area.
-The environmental problems arising due to mining activities are Land degradation, Degradation of forest and loss of biodiversity, Soil contamination, Air pollution, Surface and ground water pollution, noise and vibrations, Deterioration of natural drainage system.
Answer:
They are seed plants and consequently do not rely on water for fertilization as do the ferns and mosses.
Explanation:
The answers for the question are given below
7.B
8.D
