Explanation: I think camouflage method or a design that scares away predators.
Answer:
The molecule on the right; the middle carbon is asymmetric
Explanation:
Answer:
The waste products are Carbon Dioxide and Water.
Explanation:

• Which disinfectant kills the most bacteria
• How much bacteria is transfered to your hand when you touch a tap, door, etc.
• Who has more bacteria, males or females
C. The brain sends messages to the spinal cord