Answer:
There are 2 electrons on the first energy level, 8 electrons on the second level, 8 electrons on the third energy level, and 1 on the fourth energy level. Explain that after the third energy level has 8 electrons, the next electron goes into the fourth level.
Explanation:
The microbe 'Virus' causes HIV.
A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors.
D. They convert glucose into another form of energy used by cells.
I can give you general information !!
if any flower is not that bright , it is due to low chromoplast !! Chromoplast are of different colour plastid and any colour is due to it !!