As for this problem, the most probable answer and the most likely answer for this one would be D. the effect of pesticides on organisms in the environment.
A toxicologist would only study about chemicals and their effect on organisms in the environment. Pesticides are chemicals made to combat organisms that aren't wanted particular parts of the environment such as crops and rice field. These pesticides don't just affect those organisms that are targeted, but even the users and other organisms that may have come in contact with pesticides.
The myelin sheath covers most of the axon. It is important because it helps to protect the axon and speed up the neuron firing process by decreasing the amount of time in the axon.
It’s called Igneous .......................
concentration of the enzyme, concentration of the substrate, and temperature. However there are more than three. A lock and key analogy is used when explaining the specific action of an enzyme with a single substrate.
The answer is b because weathering moves particles and erosion erodes the particles to move them
