Answer:
DD or Dd
Explanation:
Dimples is the dominant trait (D). Your friend has dimples so that means he or she should have at least one allele of the dominant trait to express that trait. So your friend would either be homozygous dominant (DD) or heterozygous dominant (Dd). Notice that there is a recessive allele in the second. Even with that present, dimples would be still expressed.
Answer:
Decomposers are vital to the food chain because they help recycle nutrients back into the system.
Explanation:
Decomposers like fungi and bacteria play most important role. They break down material that are dead or unused and turn them into nutrients in the fields or soil that plants use to grow.
Answer:
The temperature of the surrounding air increases when the atmospheric CO2 level increases.
Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.
Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.
Answer:
Explanation:
A build up of plaque in the lining of an artery.Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries