Which label belongs in the area marked X?
Victor drew a diagram to show the life cycle of a low-mass
star
Star-forming
nebula
red supergiant
black hole
white dwarf
supernova
Planetary
nebula
Low-mass
star
Red giant 2

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

Which of the following are guidelines to follow for obtaining accurate observations