Certain gases in the atmosphere trap heat on earth.

what is the name of this phenomenon?

a.)the greenhouse effect

b.)global warming

c.)glacial melting

d.)cooling period

The slope of a velocity time graph over any interval of time gives the during that interval

The photo above shows oil and vinegar in a pitcher. the top make a claim about about the density of the vinegar compared to the density of the oil summarize the evidence to support the claim and explain your reasoning

Explain the difference in reactivity of the elements based on their electron configurations.