Q: Q: What does the large central vacuole do? Read this paragraph and choose the correct option from the provided answers: First, plant cells have a large central vacuole that holds a mixture of water, nutrients, and wastes. A plant cell's vacuole can make up 90% of the cell's volume. The large central vacuole essentially stores water. In animal cells, vacuoles are much smaller. Choices: - use water - create glucose - heat water - store water A:
A: store water

Q: Q: A non-bony skeleton that forms outside of the body is known as a what? Read this paragraph and choose the correct option from the provided answers: One way early land invertebrates solved these problems was with an exoskeleton. This is a non-bony skeleton that forms on the outside of the body. It supports the body and helps it retain water. As the organism grows, it sheds its old exoskeleton and grows a new one. Figure below shows the discarded exoskeleton of a dragonfly. Choices: - excitoskeleton - exoplate - endoskeleton - exoskeleton A:
A: exoskeleton

Q: Q: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? Read this paragraph and choose the correct option from the provided answers: Magnesium carbonate, aluminum hydroxide, and sodium bicarbonate are commonly used as antacids. Give the empirical formulas and determine the molar masses of these compounds. Based on their formulas, suggest another compound that might be an effective antacid. ♦️ Nickel(II) acetate, lead(II) phosphate, zinc nitrate, and beryllium oxide have all been reported to induce cancers in experimental animals. Choices: - salts - antibiotics - antidepressants - antacids A:
A: antacids

Q: Q: What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about? Read this paragraph and choose the correct option from the provided answers: The stars that make up a constellation appear close to each other from Earth. In reality, they may be very distant from one another. Constellations were important to people, like the Ancient Greeks. People who spent a lot of time outdoors at night, like shepherds, named the constellations. They told stories about them. Pictured below is one of the most easily recognized constellations ( Figure below ). The ancient Greeks thought this group of stars looked like a hunter. They named it Orion, after a great hunter in Greek mythology. Choices: - planets - meteors - asteroid fields - constellations A:
A: constellations