Dalila plans an experiment to examine plant growth. She

Physics

2 answers:

Harrizon [31]3 years ago

8 0

Answer:

Its A. On Edg

Explanation:

Hoochie [10]3 years ago

4 0

Answer:

The answer is: a column that shows how the dependent variable changes.

Explanation:

An experiment is a process that is carried out by a researcher in order to find out whether his hypothesis is valid. In order to conduct a proper experiment, it is very important to include both the "dependent" and "independent" variables.

A dependent variable refers to the variable that changes in response to the presence of an independent variable. On the contrary, an independent variable is the variable (such as factors) that is being changed in order to control the experiment.

Remember that independent variables do not depend on other factors. Thus, it is only the dependent variable's change that matters in an experiment.

This is the reason why Dalila needs to have a column that shows the dependent variable changes (and not the independent variable changes).

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Which process is a form of mechanical weathering?

marishachu [46]

Mechanical weathering is actually breaking down of rocks into smaller pieces by natural forces. Any weathering processes that can cause the physical breakdown of rocks without any type of change in the chemical composition of rocks, called mechanical weathering.

So, looking at each of the definitions in the options, we can easily choose:
1. Hydration : It's a process of absorbing water by substance.

2. Carbonation: It's a process of Carbon Dioxide dissolving in liquid (mostly water).

3. Oxidation : It's a process of oxygen reacting with some element.

4. Exfoliation: It's a process where the rocks erodes by peeling off in sheets or layer by layer rather than grain by grain.

As you can see the last one Exfoliation matches with the definition of mechanical weathering. It's one of its types.

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4 years ago

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Potential Energy Equation (GPE = mgh)

Shkiper50 [21]

Answer:

Explanation:

weight=25x9.2=230

25x9.2x10=2300

2300/230=10

6 0

3 years ago