Which of the following describes an air mass with the symbol cT? a.
it is a cold air mass over an ocean
c.
it is a warm air mass over an ocean
b.
it is a warm air mass over a continent
d.
it is a cold air mass over a continent

Please select the best answer from the choices provided

A
B
C
D

Which country in the video has the highest population growth rate?

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.

Renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what could renaldo and nasreen do to increase the number of paper clips their electromagnet picks up?