Answer: burning paper
Explanation:
The paper burns in air to form smoke and ash. which makes it a chemical change.
Probably too late to help but solution a is likely a base while solution b is an acid.
two similar things: both are aqueous solution and they are not neutral.
Answer:Sunlight
Explanation:
Sunlight is a physical factor that really determine the amount of plant life available in an ecosystem. Plants depend on sunlight to produce their own food via photosynthesis. Hence in the absence of sunlight, the amount of plant life will drastically reduce in a given ecosystem. Sunlight is indispensable for plant growth.
The answer is D
FeCl3 + 3 NH4OH → Fe(OH)3 + 3 NH4Cl
Answer:
Ground state
the state with the smallest amount of energy.
