Which of these is a result of an air mass that moves over earth’s surface?
a)tsunami
b)acid rain
c)local weather changes
d)volcanic eruption

Nwhat way does renewable energy differ from nonrenewable energy?

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

What is the amount of organic matter in all living organisms in a habitat called?