In which layers of earths atmosphere does temperature decrease with altitude? a. mesosphere and thermosphere b. troposphere and mesosphere c. troposphere and stratosphere d. stratosphere and mesosphere

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?

Which is a trait of a index fossil ?