Which statement accurately describes nonrenewable and renewable energy sources a. they take millions of years to form and should be used responsibly b. they are quickly replenished c. they include fossil fuels and hydroelectric power d. they provide the majority of the energy of the united states

Explain nonnuclear inheritance. ~ ap biology

Which of the following forest management practices is best for reestablishing areas of forest?

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