Answer: OSMOSIS
Explanation:
OSMOSIS is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane. It's very useful in biological systems and is dependent on the following factors:
- osmotic pressure and
- osmotic gradient.
Osmotic pressure: this is defined as the least pressure that needs to be applied in a solution to discontinue the transfer of solvent across a semipermeable membrane.
Osmotic gradient: this compares the concentration of solutions divided by a semipermeable membrane. The concentration of a specific particle dissolved in a solution is known through osmotic gradient.
A. high acidity B. high temperature C. low temperature D. all of these
if you have a multiple choice like these the answer is D
Hope This Helps
Answer:
Frequency of recessive allele 
Explanation:
Given -
Total Population size = 919
Number of individual with recessive genotype = 341
Frequency of recessive genotype

Frequency of recessive allele 
Hence, option C is correct
Answer:
Runoff from dairy farms causes high E. coli counts
Explanation:
Based on the scenario being described within the question it can be said that one hypothesis for this would be that the runoff from dairy farms causes high E. coli counts. This is because this runoff caries vasts amounts of organisms across the land and brings various animals which drink from the excess water and spread and increase the e.coli count.