Independent variable: is the UV light exposure
Control group: people not exposed (sample b)
Dependent variable: skin cancer
Experimental group: (sample A)
Answer: 1. Net Primary productivity
2. There will be less organic matter available.
3. It decreases.
4. ethanol
5. There isn’t enough energy available to support more secondary consumers.
Explanation:
Three different types of inks are used in this experiment. The ink are black, red and green in colour. During the course of the experiment, the black ink changes colour from light blue to dark blue and then to red. The red ink changes color from red to pink. The green ink changes colour from dark blue to green and then to yellow.
1. Cyclic
2. Linear
3. Angular
I hope this helps
Answer:its c
Explanation: because cells need the nutrients from any substance that has the energy carbon dioxide is like for oxygen
