The fact that volcanic rock has often been found early in the rock record but less frequently in later rock layers suggest to scientists the following conclusion about early earth: <span>volcanic activity was more common in the past than it is today.
</span>Besides volcanic activity in general, also huge volcanic eruptions<span> were much </span>more common than today<span>.</span>
Answer:
D) increased haze and smog caused by auto exhaust and tire particulates.
The correct answer is - hot and dry.
The CT air masses are air masses that originate from deep inside the land masses in the tropical regions of the Earth. The ''C'' actually stands for continental, thus indicating the formation of the air mass over a land mass, while the ''T'' stands for tropical, thus indicating the tropical region of where the land mass over which this air mass forms.
Because these air masses form over land in the tropics, they are hot and dry. The hot and dry characteristics come from the bigger heating of the land masses, as well as the lack of water vapor over the land masses.
Although Jaguars are the biggest cats in North and South America, they are not invincible. Biologists have guessed that at least 64 jaguars have been killed in Arizona since the 1900’s. One of the reasons that jaguars are being killed is for everywhere is for their beautiful coat and teeth, which in some cultures is belived to protect the wearer from snakebites that is why
