Question 1 of 10 Len and Dana want a 100% guarantee that they will not have an unplanned
pregnancy. Which prevention method should they use?
A. Abstinence
B. An IUD
C. The pill
D. Condoms
SUBMIT

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

What are your thoughts on nonhuman trials? do you feel that testing should be done on animals? what are the advantages and disadvantages with nonhuman trails?

True or false a fertilized cell divides many times to form an embryo