42cubic centimeter are in the block
volume is 48
Most atoms have more neutrons than protons which accounts for basically half of the nucleuses mass.
A. 0.25 g/mL
Because 6/24 is 0.25
It uses the voltages and sound freq. in the air to measure the wave lengthths
Answer:
concave lens
Explanation:
it's concave lens because it diverges the ray/beam of light.