A granular substance is added to a liquid. Which of the following would provide evidence to suggest a chemical change has taken place?
A. The granules seem to get smaller.
B. The liquid gives heat
C. The granules disso e completely
D. The volume of the old increases

B

Explanation:

the liquid gives heat

that's the answer

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

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.