PLS HELP ME A farmer has found that the onion she grew last year had a sweet flavor. She wants to grow more this year so she is planting the tops of last year's crops. What strategy is she using?

a. cloning
b. genetic engineering
c. natural selection
d. selective breeding

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

Arm circles are often effective dynamic stretches for swimmers because they

Effective communication consists of a. verbal and nonverbal communication and speaking clearly and loudly b. verbal communication and stereotyping c. verbal and nonverbal communication and active listening skills d. nonverbal communication and minimal interruptions   select the best answer from the choices provided.