Answer: Option A, B and C
Explanation:
An ecosystem can be defined as the place which can survive on its own. There are various types of biotic and abiotic components available in the ecosystem.
An aquarium, lake and soil in backyard can be a source of ecosystem because they all have biotic and abiotic components in themselves. An aquarium has water, small plants in them. they make food by the help of sunlight and some smaller fishes feed on them.
Soil also has small insects and large plants that live on their own without the need of anything outside that environment.
yeah, let her b0yfriend know what she told you and you are telling him that simply because you want to avoid problems between them.
Answer:
I think B..
Explanation:
It is the sharing of electrons from one atom to another .
The answer is D. A compound
