Scientists were monitoring a meteor headed toward earth. it moved off course, but some of pieces of rock entered the earth’s atmosphere. which atmospheric layer protected the earth against the danger of the rocks?
a. the troposphere
b. the stratosphere
c. the mesosphere
d. the thermosphere

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

What in scientific term why the salty popcorn causes this thirst