Answer:
Option D. Replace a conventional car with an electric car.
Explanation:
Conventional cars are those which moves with the use of fossil fuels such as petrol and diesel etc while electric cars are those cars which moves with the use of electricity. When fossil fuels burns in the engine of conventional cars, it produces a large amount of smoke which cause pollution in the air while electric cars do not emitt any harmful gases in the environment so electric cars are used instead of conventional cars.
In the outbreak of malaria, the frequency of the recessive allele for the HbS gene will increase. The correct option is A.
<h3>What is the HbS gene?</h3>
HbS is a beta-globin gene known as sickle hemoglobin.
It causes sickle cell disease in humans.
The disease is expressed by two HbS variants or one HbS variant or one another beta-globin gene.
Malaria is caused by the plasmodium parasite, which is present in the saliva of the mosquito.
Thus, the correct option is A, the frequency will increase.
Learn more about HbS gene
brainly.com/question/14950995
Answer:
{Dear:friends name}
I'm writing this letter to tell you congrats on getting admitted into your dreams school!!
I know how nervous you were when the letter came.
i'm going to miss seing you around but i know that you are going to have so much fun when school starts up again .
Answer: A- cell wall
A new cell wall forms between the two membranes of the cell plate.
All viruses have a <span>capsid, that contains there DNA or RNA, never both. </span>
