Q: What paired human organs play a vital role in maintaining homeostasis? Read this paragraph and choose the correct option from the provided answers: The kidneys ( Figure below ) are important organs in maintaining homeostasis , the ability of the body to maintain a stable internal environment despite a changing environment. Kidneys perform a number of homeostatic functions. Choices: - lungs - ears - eyes - kidneys A:
kidneys

(Question)
Q: What kind of behavior occurs only after experience or practice? Read this paragraph and choose the correct option from the provided answers: Learned behavior is behavior that occurs only after experience or practice. Choices: - memory - instinctive behavior - juvenile behavior - learned behavior A:
(Answer)
learned behavior

Ques: Q: Each root is made of dermal, ground, and what type of tissue? Read this paragraph and choose the correct option from the provided answers: Each root is made of dermal, ground, and vascular tissues. Choices: - thermal - organic - circulatory - vascular A:
Ans: vascular

(Q).
Q: What kind of solids are generally classified by the forces that hold their particles together and include ionic, metallic, covalent network, and molecular types? Read this paragraph and choose the correct option from the provided answers: Crystalline solids are generally classified according the nature of the forces that hold its particles together. These forces are primarily responsible for the physical properties exhibited by the bulk solids. The following sections provide descriptions of the major types of crystalline solids: ionic, metallic, covalent network, and molecular. Choices: - distinct solids - helium solids - flat solids - crystalline solids A:
(A).
crystalline solids

Ques:Q: What thin layer of air acts as a barrier to prevent cool air from mixing with warm air in the stratosphere? Read this paragraph and choose the correct option from the provided answers: At the top of the troposphere is a thin layer of air called the tropopause. You can see it in Figure above . This layer acts as a barrier. It prevents cool air in the troposphere from mixing with warm air in the stratosphere. Choices: - methosphere - endosphere - liposphere - tropopause A:

Ans:tropopause

Ques: Q: The largest absorption of heat comes during the vaporization of what? Read this paragraph and choose the correct option from the provided answers: The total heat absorbed as the ice at -30C is heated to steam at 140C is 113.4 kJ. The largest absorption of heat comes during the vaporization of the liquid water. Choices: - ice - carbon dioxide - magma - liquid water A:
Ans:
liquid water