Answer the following question given this paragraph: Human cells normally have two sets of chromosomes, one set inherited from each parent. There are 23 chromosomes in each set, for a total of 46 chromosomes per cell. Each chromosome in one set is matched by a chromosome of the same type in the other set, so there are actually 23 pairs of chromosomes per cell. Each pair consists of chromosomes of the same size and shape that also contain the same genes. The chromosomes in a pair are known as homologous chromosomes . Q: How many chromosomes are in each set? Choices: - 22 - 21 - 13 - 23 A:
23
Answer the following question given this paragraph: Nectar-feeding birds are important pollinators , meaning they move the pollen from flower to flower to help fertilize the sex cells and create new plants. Hummingbirds, sunbirds, and the honey-eaters are common pollinators. Q: Birds that move pollen from flower to flower are called what? Choices: - carnivores - spores - frogs - pollinators A:
pollinators
Q: Answer the following question given this paragraph: Plasma is a state of matter that lacks a fixed volume and a fixed shape and consists of charged particles called ions. Because it consists of charged particles, plasma can conduct electricity and respond to a magnetic field. Q: Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles? Choices: - electrons - atoms - isotopes - ions A:
A: ions
Question: Answer the following question given this paragraph: Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, aretes, and horns. Q: Which type of glaciers form several unique features through erosion, including cirques, aretes, and horns? Choices: - line glaciers - deep glaciers - icebergs - valley glaciers A:
Answer: valley glaciers
*Question*
Answer the following question given this paragraph: Matter typically exists in one of three states: solid , liquid , or gas . The state a given substance exhibits is also a physical property. Some substances exist as gases at room temperature (oxygen and carbon dioxide), while others, like water and mercury metal, exist as liquids. Most metals exist as solids at room temperature. All substances can exist in any of these three states. Q: The state of matter - solid, liquid, or gas - is also considered what type of property? Choices: - thermal - mechanical - chemical - physical A:
**Answer**
physical
Q: Answer the following question given this paragraph: Photosynthesis is the base of nearly all food chains on Earth. This is true of marine food chains, too. Q: What is the base of nearly all food chains on earth? Choices: - glycolysis - atherosclerosis - synthesis - photosynthesis A:
A: photosynthesis