Part c - preventing pregnancy some methods of contraception, such as birth control pills and patches, use synthetic hormones to manipulate the ovarian cycle in females. some hormone-based contraceptives contain a combination of a synthetic estradiol and a synthetic progestin (progesterone-like hormone). other hormone-based contraceptives contain progestin only. which statements correctly explain how the hormone-based contraceptives affect the female reproductive cycle? select all that apply.

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports