Answer:
I'm not so sure but this is what our teacher told us.
The thalamus sorts the important information from the insignificant before sending information to the cerebral cortex of the brain.
Horses in the old times were smaller because of the softer grass to step on in the forests. However, as time passes, the living shifted to survival from the predators. This strengthens the limbs of horses and lifting the body from the ground in the process of running at great speeds. The answer here is D. <span>larger horses had longer legs and could run faster to escape predators.</span>
I believe the answer is c. plate movement and convection currents
I think it might be Stratosphere, if Ozone layer is an option I will suggest that too.
The correct answer is radial symmetry.
This means that there's a central axis around which they are formed, which is similar to how starfish or tulips grow. Similarly put, it's like cutting a pie or a pizza through the axis and getting the same pieces.