What is Carbon dioxide? What type of gas do plants use in photosynthesis to make sugar?
What is a producer? In a food chain and food web, grasses and plants are called this because they make their own food.
What is (b) a system of tubes. Which of the following best explains how stems transport water to other parts of the plant? A through a chemical called chlorophyll B by using photosynthesis C through a system of tubes D by converting water to food
What is a scratch test? This type of test can help geologists determine the hardness of a rock.
What is (C)? The chart shows the Mohs scale for measuring the hardness of minerals. A mineral that can scratch fluorite and be scratched by orthoclase is able to – A)Scratch both calcite and quartz B)Be scratched by both calcite and quartz C)Scratch calcite and be scratched by quartz D)Scratch quartz and be scratched by calcite