Some early methods of contraception include which of the following? a. lemons b. papaya seeds c. cotton d. all of these

D. All of these

Explanation:

Women in the past used sponges soaked in lemon juice to prevent pregnancy. The citric acid in lemons acts as a natural spermicide. The lemon rind itself (with pulp and juice removed) could be used as a cervical cap. Unripe papaya was used to prevent or terminate pregnancy. ... The seeds of the papaya could actually serve as an effective male contraceptive. Papaya seeds, taken daily, could cut a man's sperm count to zero and was safe for long-term use. The cotton could be seen as a tampon, but was also quite effective as a method of birth control.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.