Tasha went on a trekking expedition to a mountain range during her vacation. When she reached a particular elevation, it started raining heavily. Which sphere of Earth is most responsible for this sudden weather change? The
is most responsible for the weather. Its lowest layer, the
, contains most weather phenomena.

What factors contribute to the effect an environmental toxin has on the human body?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]