Answer:
a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
Explanation:
Vitamins help them function as fats.
Organism: the Definition is online “ A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism
C. The Bering Land Bridge once connected what would be Russia and North America but the the movement of these continents separated the land bridge
Answer:
The answer is A.
Explanation:
Found it on cancer.gov
Cancerous tumors are malignant, which means they can spread into, or invade, nearby tissues. In addition, as these tumors grow, some cancer cells can break off and travel to distant places in the body through the blood or the lymph system and form new tumors far from the original tumor