C. Mercury is the answer. Mercury and Venus are the only two planets in our solar system that don't have moons
The embryo implants itself in the endometrium
Answer:b. One of the most significant environmental issues is the large quantity of waste produced by businesses and society.
Explanation:
A pollution is a drawback for the development of the environment. The pollution is produced by the liberation of toxic chemicals, agents or even sound at high volume. It disturbs the natural balance of nature. The pollution can be caused by the liberation of toxic wastes from the production businesses and societies. This causes harm to the society by deteriorating the natural environment.
