Answer the following question given this paragraph: Gestation (pregnancy) lasts 8-9 months and usually results in the birth of a single offspring. The young are born helpless, and thus, they need parental care for long periods of time. Compared with most other mammals, great apes have a long adolescence and are not fully mature until 8-13 years of age (longer in humans). Females usually give birth only once every few years. Q: In great apes, what process lasts 8-9 months and usually results in the birth of a single offspring? Choices: - mating - hibernation - reproduction - gestation A:
gestation
Answer the following question given this paragraph: You learned about the three rock types: igneous, sedimentary, and metamorphic. You also learned that all of these rocks can change. In fact, any rock can change to become any other type of rock. These changes usually happen very slowly. Some changes happen below Earth's surface. Some changes happen above ground. These changes are all part of the rock cycle. The rock cycle describes each of the main types of rocks, how they form, and how they change. Q: What are the three types of rocks? Choices: - igneous, sedimentary, mixed - igneous, orbital, metamorphic - opaque , sedimentary , metamorphic - igneous, sedimentary, metamorphic A:
igneous, sedimentary, metamorphic
Q: Answer the following question given this paragraph: Most geological activity takes place at plate boundaries. This activity includes volcanoes, earthquakes, and mountain building. The activity occurs as plates interact. Giant slabs of lithosphere moving around can create a lot of activity! The features seen at a plate boundary are determined by the direction of plate motion and by the type of crust found at the boundary. Q: Where does most geological activity take place? Choices: - plate buildings - plate waves - plate medians - plate boundaries A:
A: plate boundaries
Question: Answer the following question given this paragraph: As stated earlier, not all atoms of a given element are identical. Specifically, the number of neutrons in the nucleus can vary for many elements. As an example, naturally occurring carbon exists in three forms, which are illustrated in Figure below . Q: The number of what subatomic particles can vary between atoms of the same element? Choices: - protons - electrons - neurons - neutrons A:
Answer: neutrons
*Question*
Answer the following question given this paragraph: Ionic compounds are named for their positive metal ion first, followed by their negative nonmetal ion. Q: What kind of compounds are named for their positive metal ion first, followed by their negative nonmetal ion? Choices: - horizontal compounds - magnetic compounds - magnetic compounds - ionic compounds A:
**Answer**
ionic compounds
*Question*
Answer the following question given this paragraph: Thermoregulatory Adjustments The fetus floats in warm amniotic fluid that is maintained at a temperature of approximately 98.6F with very little fluctuation. Birth exposes newborns to a cooler environment in which they have to regulate their own body temperature. Newborns have a higher ratio of surface area to volume than adults. This means that their body has less volume throughout which to produce heat, and more surface area from which to lose heat. As a result, newborns produce heat more slowly and lose it more quickly. Newborns also have immature musculature that limits their ability to generate heat by shivering. Moreover, their nervous systems are underdeveloped, so they cannot quickly constrict superficial blood vessels in response to cold. They also have little subcutaneous fat for insulation. All these factors make it harder for newborns to maintain their body temperature. Newborns, however, do have a special method for generating heat: nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, or brown fat, which is distributed over the back, chest, and shoulders. Brown fat differs from the more familiar white fat in two ways: It is highly vascularized. This allows for faster delivery of oxygen, which leads to faster cellular respiration. It is packed with a special type of mitochondria that are able to engage in cellular respiration reactions that produce less ATP and more heat than standard cellular respiration reactions. Q: Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose? Choices: - losing heat - harnessing heat - moving heat - generating heat A:
**Answer**
generating heat