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Questions in Grade High-school

[Done] The most reasonable explanation for why energy conversions are necessary is because _______. Select one: A. Different types of work require different types of energy sources B. ATP is the only type of energy used to do work in any system C. Coal is too large to power cell work D. Sunlight is not a dependable source of energy

[Done] A mouse eats 100 times its own weight in grain in a lifetime. Plants must produce a large amount of food for just one mouse. What do you think would happen if grain was no longer available for the mouse to eat? How would this affect other organisms in your ecosystem?

[Done] Why is DNA called the blueprint for life? A. It has the code to make carbohydrates. B. It stands for Director of New Activities. C. It has directions for making membranes. D. It contains the genetic material for living things on earth.

[Done] If a new animal was discovered that spent half of its life underwater breathing with gills and half of its life on land breathing with lungs, which group of animals would it most likely fit into? A. Fish B. Amphibian C. Mammal D. Insect

[Done] Which two layers of the atmosphere are responsible for the majority of solar radiation absorption? A. Stratosphere and troposphere B. Stratosphere and thermosphere C. Troposphere and thermosphere D. Troposphere and mesosphere

[Done] Who would be most likely to study a stone carving to determine if Sumerians used slaves? A. Historian B. Archaeologist

[Done] Which two features indicate that a cell is an animal cell and not a plant cell? A. Central vacuole, ribosomes B. Cilia, lysosomes C. Ribosomes, cell wall D. Mitochondria, chloroplasts

[Done] Which one of these statements about cell division is not accurate? A. Everything gets divided among four daughter cells. B. Damaged tissue can be repaired. C. Growth of a multicellular organism can occur. D. This is one part of the cell cycle.

[Done] Please help me on question 15

[Done] Himpunan penyelesaian dari pertidaksamaan \(|2x + 1| \leq 3\) adalah: a. \(-1 \leq x \leq 3\) b. \(-2 \leq x \leq 2\) c. \(-2 \leq x \leq 1\) d. \(-1 \leq x \leq 1\) e. \(0 \leq x \leq 1\) Tolong jelaskan caranya.