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>
They begin as streams in mountains or hills
Answer: D) Mexico city is in Central America
Explanation:
Reason being that Mexico is part of the North American region with Canada and the United states. The central american countries are all those that border below mexico between mexico and Colombia. Hoped this helped.
The polar ice capes, the change in genetics of certain animal fossils (growing more or less hair, etc. etc.)
Answer: Alex Swims 63 mi in one minute 24 seconds
Explanation:
Alex swims 45 miles in 1 minute so what we need to find is the 24 seconds.
You'd take 2 divided by 5 which is the simplified fraction of 24 seconds over 60 seconds
Simplifying the fraction to a decimal gives you 0.4 then multiply it by 45 giving 18.
45+18=63 mi