Q: What is the formation of organs from the germ layers called? Choices: - photosynthesis - synaptogenesis - biosynthesis - organogenesis A:
organogenesis

(Question)
Q: Most crustaceans have separate sexes, so they reproduce sexually using what? Choices: - pod and eggs - eggs and pod - asexual reproduction - eggs and sperm A:
(Answer)
eggs and sperm

Ques: Q: What is igneous rock created from? Choices: - magma aging - volcanic ash - carbon dioxide - magma cooling A:
Ans: magma cooling

(Q).
Q: The nuclei of radioisotopes are unstable, so they constantly decay and emit what? Choices: - moisture - acid - chemicals - radiation A:
(A).
radiation

Ques:Q: Water is formed from oxygen and what other element? Choices: - calcium - helium - lead - hydrogen A:

Ans:hydrogen

Q: The heart, blood vessels, and blood make up which system in the body? Choices: - digestive - pulminary - respiratory - cardiovascular A:
cardiovascular