Answer:
The Scientific Method helps you put together experiments, use data to find conclusions and interpret them.
Explanation:
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the nucleus is an organelle containing the cell's chromosomes
1.97moles
106.7/(1.01x2+16)/3x1 = 1.97
Answer:
lithosphere
Explanation:
Earth's interior layers are ordered by density. The densest layer is the solid metal inner core, the mantle is of intermediate density, and the least dense layer is the lithosphere, particularly the continental lithosphere.
Answer:
Sample A - mixture
Sample B- Mixture
Explanation:
Looking at sample A, we can see that as water was poured over sample A, the sample was separated into its components as the powder disappeared leaving behind a gritty black sand-like material on the surface of the paper. A separation of the mixture has taken place.
In sample B, we can clearly see that it is a mixture because the amount of solid recovered is much less than the total mass of the solid put into the beaker. The sample must have been separated into its components.