When a sperm and an egg unite , they form a zygote
The answer is diphtheria. The symptoms of diphtheria usually track an incubation period of two to five days. Symptoms primarily are general and nonspecific frequently approaching a typical viral upper respiratory infection. Respiratory taking part usually starts with the sore throat and minor pharyngeal inflammation. The progress of the confined to a small area or coalescing pseudo membrane be able to happen in any part of the respiratory tract. The pseudo membrane is regarded as by the development of a dense, gray debris layer composed of a combination of dead cells, fibrin, red blood cells, white blood cells, and some organisms.
Answer:
to know what you're talking about
Answer:B, D
Explanation:
When the roller coaster starts flying down the hill, it gains kinetic energy and loses potential energy.