Me
this is a k12 question

the weather is warm and dry.
which change would a cold front bring?

rain or thunderstorms

extended period of rain or snow

dry air and sunny skies

several days of gray skies

In a cladogram' when does a group of organisms branch off

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

Are the earth's ocean floor and continents the same age geologically? why or why not?