These are the things that convert nitrogen in the soil -cyanobacteria<span>participate. After nitrogen has been fixed, other </span>bacteria<span> convert it into </span>nitrate<span>, in a process known as nitrification.</span>
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
Vitamin B6 is essential for the synthesis of T cells. These cells form part of the immune system.
<h3>What is Vitamin B6?</h3>
Vitamin B6, also called pyridoxine, is a water-soluble micronutrient found in different types of foods.
Vitamin B6 is required to generate T cells and white blood cells (lymphocytes), which are cells of the immune system.
Vitamin B6 is also fundamental for the generation of interleukin-2, which is a molecule involved in immune responses.
Learn more about vitamins here:
brainly.com/question/1327898
The basic solar nebular disk model (SNDM), developed by Russian astronomer Victor Safronov, and was made available in English in the early 1970's. So your answer is B.<span />
Answer:
most of the hydrosphere is salt water – around 97 percent – but the 3 percent that is fresh is critical for terrestrial and fresh water species
Explanation:
