Answer:
D. the answer is triangular
Answer: A) Proteins and nucleic acids
Explanation:
the correct answer is the first one. density = mass / volume.
i hope this helped!
The Spinal Cord starts at the brain stem and goes to the tail bone.
1. speed, direction
2. velocity
3. forward, backward
4. y-axis, x-axis
5. increasing
6. decreasing
7. constant
