What is the percent of mgso4 in magnesium sulfate heptahydrate? 48.83 % 51.17 % 95.43 % 86.98 %

Which type of fossil does this image depict?

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

What is true for a substance that releases energy