Air pollution can cause
O poison animals
O oil spills
Ostunted plants

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat