Answer:
It is A
Explanation:
It is the only one that makes sense
Hope this helps
In DNA, the nucleotides of one strand join to bases on the complementary strand by weak hydrogen bonds.
The correct answer for this question is letter C. Epiglottis is the one who prevents food from entering the trachea. It moves in a back and forth manner. When a person swallows, it covers the entrance of the larynx by flattening itself backwards.
Answer:
The diagram is depicting that light energy from the sun, carbon dioxide from air and water from soil are required for producing sugars and oxygen by the plant. The sugars produced by the process of photosynthesis is glucose. Oxygen is produced as by-product of this reaction. The glucose produced by the plant cells is utilized to carry out essential functions whereas the oxygen is mostly released into the air and it is also used for cellular respiration.
