Answer:
Sensory cells last approximately two weeks and are renewed frequently.
Explanation:
 
        
                    
             
        
        
        
During week 2 of the menstrual cycle (day 8 to day 14 or
ovulation), estrogen levels rise until it reaches its peak. Typically, days
12-14 have the highest levels of estrogen, which causes an increase in Luteinizing Hormone, which is responsible for the release of the egg cell. If
hormone levels fail to reach its peak before day 14, ovulation is not possible
because the egg cannot be released. Pregnancy may be highly unlikely.
 
        
                    
             
        
        
        
Amino acids are acids on one hand, and a base on the other hand. 
<h3>What is an acid?</h3>
An acid is a substance that produces hydrogen or hydroxonium ions as the only positively charged ion when it ionizes. 
All amino acids have an amine group - and a carboxylic group -
 and a carboxylic group - .
.
The carboxylic group ionizes such that:

The presence of the amine group enables amino acids to also act as a base. 
More on amino acids can be found here: brainly.com/question/14583479
#SPJ1
 
        
             
        
        
        
Protists are a group of organisms that are characterized as Eukaryotes that are neither plants nor animals nor fungi. They are very diverse, and there are many hypotheses about their classification. The cladogram for protists is constantly changing and, sometimes, there are opposite hypotheses that both have data to support them. What is the implication of a changing hypothesis.
It is acceptable because data are still being collected.
It is acceptable everything in science should always change.
It is not acceptable because the correct answer needs to be found.
It is not acceptable because science never changes.
Answer:It is acceptable because data are still being collected.
 
        
             
        
        
        
Answer:
from top to bottom
Explanation:
North pole, northern hemisphere, equator, southern hemisphere, south pole.