Answer:
Sound and light are similar in that both are forms of energy that travel in waves. They both have properties of wavelength, freqency and amplitude. Here are some differences: Sound can only travel through a medium (substance) while light can travel through empty space.
The cells in your body help get oxygen to cellular respiration.
Answer:
The voltage of the battery
Answer:
it comprises of the DNA/RNA bipolymer molecules
When sitting down there is gravity , when sat down the chair is pushing back at a equal but opposite force
