The answer to 20. is A.
B wouldn't affect the plates,
C would push the plates downwards,
and D.... I don't even know what that is.
Answer:
Explanation:
Mammals reproduce through live birth, while other animals such as reptiles and birds lay eggs where the embryo develops inside the egg. Both mammals and reptiles produce sexually. Most mammals have fur or hair, however, other animals such as reptiles/birds have feathers/scales.
Answer:
D
Explanation:
Carbon is a basis for all life on earth
The correct answers are
a. vaginal ring and
c. oral contraceptives.The vaginal ring is a soft, plastic ring that releases a continuous dose of the hormones oestrogen and progestogen into the bloodstream and prevents pregnancy. Oral contraceptives are also drugs for preventing pregnacy and also contain combinations of the hormones estrogen and progestin )or progestin alone=. Estrogen and progestin inhibit the release of the hormones luteinizing hormone (LH) and follicle stimulating hormone (FSH) which have a role in the ovulation.
Answer:
Canis Lupis is considered a scientific name for a wolf. E coli is not a scientific name and German shepherd is a breed. Paramecium is a single called protozoan
