Answer the following question given this paragraph: Over much of Earth's past, the climate was warmer than it is today. Picture in your mind dinosaurs roaming the land. They're probably doing it in a pretty warm climate! But ice ages also occurred many times in the past. An ice age is a period when temperatures are cooler than normal. This causes glaciers to spread to lower latitudes. Scientists think that ice ages occurred at least six times over the last billion years alone. How do scientists learn about Earth's past climates?. Q: What do you call a period when temperatures are cooler than normal, causing glaciers to spread? Choices: - polar age - earth age - thermal age - ice age A:
ice age
Answer the following question given this paragraph: Q: An irreversible increase in size is known as? Choices: - mass - strength - volume - growth A:
growth
Q: Answer the following question given this paragraph: Composite cones are steep sided, cone shaped volcanoes that produce explosive eruptions. Q: Composite cones are steep-sided, cone-shaped types of what, which produce explosive eruptions? Choices: - earthquakes - mountains - craters - volcanoes A:
A: volcanoes
Question: Answer the following question given this paragraph: Q: The negatively charged electrons are attracted to the positively charged what? Choices: - axon - atom - ion - nucleus A:
Answer: nucleus
*Question*
Answer the following question given this paragraph: Muscles That Position the Pectoral Girdle Muscles that position the pectoral girdle are located either on the anterior thorax or on the posterior thorax (Figure 11.22 and Table 11.8). The anterior muscles include the subclavius, pectoralis minor, and serratus anterior. The posterior muscles include the trapezius, rhomboid major, and rhomboid minor. When the rhomboids are contracted, your scapula moves medially, which can pull the shoulder and upper limb posteriorly. Q: Muscles that position the pectoral girdle are located either on the anterior thorax or on this? Choices: - posterior thorax - inferred thorax - analogous thorax - posterior thorax A:
**Answer**
posterior thorax
(Q).
Answer the following question given this paragraph: Q: What facilitates the diffusion of ions across a membrane? Choices: - photon channels - ionic bonds - passive transport - ion channels A:
(A).
ion channels