What benefit do gas hydrates have over other forms of hydrocarbon fuel?
a.
they’re a renewable source of energy.
b.
they release less carbon dioxide than other hydrocarbons.
c.
they release more heat than other hydrocarbon fuels.
d.
they’re as abundantly available as seawater.
e.
they’re a safer fuel to use than hydrocarbons.

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed