1. Write the correct answer on the blank. Choose the answer from the box below.
1. Insects have three pairs of legs or are the
arthropods'.
2. may live in the soil, in water or even inside the other animals
as parasites.
3. Insects have __three main body sections.
4.
have two body segments and have no antennae.
5. Spiders have
_legs.
6. Butterfly is an example of an
7. This animal is an example of exoskeleton.
8.
are invertebrates that people can eat.
9.
is an example of shellfish.
10.Snail is an example of
eight
snidero​

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e