Question

Physical and Chemical Changes
Switch on an electric bulb. It will start glowing. When we switch it off_
In this change, no new substance gets formed and we can get ba
Irrever
Reversible change
Activity 5
original condition.
Activity 6
Take some sugar crystals.
To Inow that sugar is white​

Answer 1

Answer:

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Answer 2

Answer:

An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms.

Explanation:

sry nabes smjhme ni aaya bjt aapki dp achi h