What is the correct for (a) and (b)?
a) hydrogen b) element
What is the correct for (a) and (b)?
a) altitudes b) oxygen
What is the correct for (a)?
a) density
What is the correct for (a) and (b)?
a) protons b) electrons
PUNISHMENT!
TONGUE TWISTER
PUNISHMENT!
Tongue twister
What is the correct for (a) and (b)?
a) acceleration b) velocity
What is the correct for (a) and (b)?
a) mass b) gravitational
PUNISHMENT!
Jump 4 times.
What is the correct for (a) and (b)?
a) nucleus b) atom
What is the correct for (a) and (b)?
a) satellite b) orbits