A carbon atom has 4 valence electrons
Earth’s global temperature has changed greatly in the past hundreds of years. This is due to how much energy the planet is receiving from the sun and how it radiates back. Another cause is humans, due to deforestation, burning of fossil fuels, pollution, etc.
Answer:
its created when the bacteria reduces the effectiveness of a drug and that drug no longer has a strong effect on it.
Explanation:
it is very bad because they can survive and multiply much more and since they are resistant we cannot get rid of them so medicine wont work against them.
Answer:
The answer should be "by an increase in the weathering of rocks that contribute to the mineral makeup of soil"
Explanation:
The rate of soil formation can be accelerated by an increase in the weathering of rocks that contribute to the mineral makeup of soil. Topsoil can be increased through the increase of available organic material. Erosion can also lead to an increase in available parent material for soil formation.
I hope the helps :)
sorry if it's wrong.
