Answer:
An Ecosystem is a community of Living Organisms and Non living components of their Environment
OPTION A IS YOUR ANSWER!!!
Gravity is a force which causes objects to fall or be still on the earth's surface. This invisible force has been longed explored mainly by many scientist however, Isaac Newton was first to conceptualize this into a proper principle.
GravityLight is a device that was recently developed by engineers that is designed to produce light through the force of gravity.
Help earth it helps u that’s what I believe
