Answer:
A. by reacting animal fat or vegetable oil with water.
D. by treating animal fat or vegetable oil with hydrogen
Explanation:
Water is insoluble in animal fat or vegetable oil so it makes a layer on the surface of oil. When animal fat or vegetable oil react with hydrogen, it produces solid oil called ghee not biofuels. Biofuel is produced when animal fat or vegetable oil react with alcohol.
Answer:
B. Cold fusion was a topic that was cited frequently among the scientific community.
Explanation:
False. The Beatles were popular in the 1970s
Heterozygous means 2 different alleles can be only Tt with T being expressed unless codominance.In the sex cell where X comes from female Y or X can be from man..Hence the allele due to it being heterozygous hence it is XY