A producer (also known as an autotrophic plant) serve as a food source for other organisms within an ecosystem. They have the capability to produce their own food using photosynthesis.
compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
This paragraph represents desert.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
I think c and d is the best answers