Answer the following question given this paragraph: Oceans cover more than 70% of Earth's surface. Oceans hold 97% of the planet's surface water. It's no surprise that the oceans have a big influence on the planet. The oceans affect the atmosphere, climate, and living things. Q: Around what percentage of the earth's surface water is contained in the ocean? Choices: - 92 % - 99% - 86 % - 97% A:
97%

Answer the following question given this paragraph: Nebulae can be spotted with the naked eye or simple telescopes. Q: What is one method to observe nebulae? Choices: - mirror - kaleidoscope - microscope - telescope A:
telescope

Answer the following question given this paragraph: Birds may be specialists or generalists in terms of what they eat. Generalists are organisms that eat many different types of food. Birds that are generalists include the red-winged blackbird in Figure below . It has a basic beak that can eat many different foods. Red-winged blackbirds are omnivores. They may eat a wide variety of seeds as well as insects and other small animals such as snails and frogs. Q: What are organisms called, like the red-winged blackbird, that eat many different types of food? Choices: - omniverous - specalist - carniverous - generalists A:
generalists

Answer the following question given this paragraph: Figure 4.22 Microfilaments thicken the cortex around the inner edge of a cell; like rubber bands, they resist tension. Microtubules are found in the interior of the cell where they maintain cell shape by resisting compressive forces. Intermediate filaments are found throughout the cell and hold organelles in place. Q: What thickens the cortex around the inner edge of a cell? Choices: - mitochondria - vacuoles - plasma membrane - microfilaments A:
microfilaments