Answer:
C
Explanation:
Wavelengths and frequency can vary inversely to produce the same wave speed
Answer:
1. 1g/ml
Explanation:
1. Density is mass divided by volume (g/mL).
10g/10mL = 1 g/mL
2. When you already know the density and the volume, you can use the density as a unit converter.

3. It's the same with density and mass.

Genetically alter the DNA of a plant to produce a desired trait.
Answer:
increase the number of blocks
increase the number of students pulling the cart
increase the number of blocks and increase the number of students pulling the cart
decrease the number of blocks
decrease the number of students pulling the cart
decrease the number of blocks and decrease the number of students pulling the cart
(ANSWER CHOICES)
Explanation:
There are 2 hydrogen atoms.