Q: What kind of weather change do la nina years usually bring? Choices: - heat - Mass amounts of snow - moisture - drought A:
drought

(Question)
Q: What is continually released during childbirth through a positive feedback mechanism and prompts uterine contractions to fetal head toward the cervix? Choices: - hemoglobin - insulin - vasopressin - oxytocin A:
(Answer)
oxytocin

Ques: Q: What is the main type of cell in the nervous system called? Choices: - sensory - conduction - axon - neuron A:
Ans: neuron

(Q).
Q: What do you call the zone in a body of water where there is too little sunlight for photosynthesis? Choices: - semimetal zone - Dark Zone - observable zone - aphotic zone A:
(A).
aphotic zone

Ques:Q: A life cycle continues through reproduction and what? Choices: - response - mechanical - example - development A:

Ans:development

Question: Q: Living organisms are comprised of organic compounds, which are molecules built around what element? Choices: - oxygen - silicon - helium - carbon A:
Answer:
carbon