Answer: B costal erosion causes the beach to wear away
<span>If a population of medium sized rodents is placed under a selective pressure that yields both very large and very small individuals it was most likely directional selection. I hope that this is the answer that you were looking for and it has actually come to your desired help.</span>
The correct answers is this: OCEAN AND FRESH WATER SYSTEM CONDITIONS GENERALLY REMAIN CONSTANT THROUGHOUT THE YEAR.
It is not possible for the conditions in the ocean and the freshwater environment to be constant throughout a year, this is because these water bodies respond the changes in their environment on a daily basis.<span />