Which of the following makes a proton?

• Gluon

• Quark

• Neutrino

• Photons

Answer explanation

A proton is an elementary particle made up of 2 up quarks and 1 down quqrks held togther by gluons

• c³

• abc

• a + b + c

• 1

Find x if

(x+1)(x+2)(x+3)(x+4) = 120

• -5

• 1

• 3

• 2

• 4

What is the cause of resistance?

Find the ph of 1/10⁸ M HCl.

• 6.96

• 8

• 3

• 4