A hypotheses is a testable idea or explanation that leads to scientific investigation.
Riley can either change the surface area of the object or can change the slipperiness of the material.
Answer:
The term organic chemistry originally meant the chemistry of compounds obtainable from plants and animals
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.
A.It lost electrons and was oxidized.
