Answer:
either A , D
Explanation:
all for have a vertabrae,although the gorilla and the chimpanzee do show signifacant same structure.
Answer:
B)
Explanation:
"Positive feedback encourages and intensifies a change in the body's physiological condition, driving it farther out if the normal range."
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
If less is the only option then go with that like your question suggests but more feels like a better answer