Autotrophs and Hetrotrophs
The answer is <span>Take consistent amounts of saliva samples from a number of people who have not eaten in 8 hours and measure the quantity of amylase in each sample.
First, the researcher needs to know the quantity of amylase in the <u>same</u> amount of saliva. Thus the amount must be consistent and not varying.
Next, people must not eat in 8 hours, so they are all in the same condition at the moment of collecting saliva. If some eat immediately before the sample collecting while some eat 8 hours before, the content of their saliva will be different.
For the correct results, all conditions must be the same.</span>
<span>This alludes to "The way toward empowering individuals to build control over their wellbeing and its determinants, and along these lines enhance their wellbeing." This origination mirrors the World Health Organization origination of wellbeing as "the degree to which an individual or gathering can understand desires and to fulfil needs, and to change or adapt to the earth.</span>
A vaccine is a medical material that mimics the pathogen, but in a harmless way. When our body's immune fights it off, it remembers how to fight the real pathogen when it enters our body. So, it protects us from diseases.
Answer:
C
Explanation:
they shorten and become visible in biology.
