Q: What is the force of attraction that holds together positive and negative ions? Read this paragraph and choose the correct option from the provided answers: An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. The Figure below shows how this happens. Choices: - electron bond - magnetic bond - integral bond - ionic bond A:
ionic bond

(Question)
Q: What occurs when hot magma transforms rock that it contacts? Read this paragraph and choose the correct option from the provided answers: Contact metamorphism occurs when hot magma transforms rock that it contacts. Choices: - existence metamorphism - form metamorphism - changing metamorphism - contact metamorphism A:
(Answer)
contact metamorphism

Ques: Q: What type of scientists study the effects people have on their environment? Read this paragraph and choose the correct option from the provided answers: Environmental scientists study the effects people have on their environment. This includes the landscape, atmosphere, water, and living things. These scientists ask all sorts of questions about how Earth systems are changing as a result of human actions. They try to predict what changes will come in the future. Choices: - biological scientists - ecological scientists - integrated scientists - environmental scientists A:
Ans: environmental scientists

(Q).
Q: What is a fluid-filled body cavity that is completely enclosed by mesoderm called? Read this paragraph and choose the correct option from the provided answers: Later, a true coelom evolved. This is a fluid-filled body cavity that is completely enclosed by mesoderm. The coelom lies between the digestive cavity and body wall. You can see it in the invertebrate in Figure below . Modern invertebrates with a coelom include mollusks (Phylum Mollusca) and annelids (Phylum Annelida). Choices: - pseudocoelom - hymenium - choroid - coelom A:
(A).
coelom

Ques:Q: What are fibers that depend on aerobic respiration called? Read this paragraph and choose the correct option from the provided answers: Choices: - hydrogen fibers - evaporative fibers - fragile fibers - oxidative fibers A:

Ans:oxidative fibers

Q: Which organ secretes estrogen? Read this paragraph and choose the correct option from the provided answers: The ovaries release the eggs and secrete estrogen. Choices: - the testes - the thyroid - the kidney - the ovaries A:
the ovaries