A student observes an unusually high number of acorns falling on her family’s driveway during the month of October. She asks, “Why do more acorns fall in some years than in others?” 1. How could the student investigate her question?

2. The student could design a scientific investigation to test her question.

3. The student could gather acorns, put them in a bowl, and observe them over a period of two weeks.

4. The student could go online or go to the library to research an answer to her question.

5. The student could find a scientific investigation in a book and change a variable.

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→When you tell me the answer for a example don't say A or B say the second or third← and tell me why its that answer I wanna know why
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If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Listen base your answer to the question on the information below.propane is a fuel that is sold in rigid, pressurized cylinders. most of the propane in a cylinder is liquid, with gas in the space above the liquid level. when propane is released from the cylinder, the propane leaves the cylinder as a gas. propane gas is used as a fuel by mixing it with oxygen in the air and igniting the mixture, as represented by the balanced equation below.c3h8(g) + 5o2(g) → 3co2(g) + 4h2o() + 2219.2 kja small amount of methanethiol, which has a distinct odor, is added to the propane to consumers detect a propane leak. in methanethiol, the odor is caused by the thiol functional group (–sh). methanethiol, ch3sh, has a structure that is very similar to the structure of methanol.what is the correct structural formula for a molecule of methanethiol

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion