When water freezes(ice) it expands slightly
think ice cube tray, and why the amount of ice you get is more than the amount of water you put in<span />

5 0

3 years ago

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The slope is also know as

siniylev [52]

Answer:

rise over run

Explanation:

rise refers to the number of units going u or down a graph

run refers to the number of units going left or right

it is seen as so; $\frac{rise}{run}$ , $\frac{ delta y}{deltax}$ , or $\frac{y_{2} - y_{1}}{x_{2} - x{1}}$

Don't panic when I included "delta". Delta, it refers/means the small mathematical triangle found beside the rise and run symbols of y and x

3 0

3 years ago

How are stromatolite fossils evidence of earths early life?

solmaris [256]

Answer:

Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.

Hope this helps!!!

4 0

2 years ago

A scientist isolated DNA from a particular bacterium and decided to analyze it. The sequence of the bacterial DNA is ATGGGCTAGTC

Charra [1.4K]

TACCCGATCAGAA is the complementary strand

6 0

3 years ago