The isotopes of an element all have the same a.(blank) number but they have different b.(blank) numbersa. atomic, massb. atomic, mass

Explanation:

An isotope is an atom of the same chemical element that has the same number of protons in its nucleus, but not the same number of neutrons.  

Therefore, this isotope atom will have the same atomic number and will be located in the same place of the periodic table of the main chemical element, but different mass number.  

In other words, the isotopes of a chemical element have a different mass although they have the same atomic number, which is directly related to the number of protons in the nucleus of the atom.

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

the design of a ski jumping suit involves a trade-off between giving the skiers lift to get higher jumps and ensuring the skier does not face a lot of drag before the jump itself. an expansive suit may to lift the skier higher, but at the same time, it will also increase the air resistance. higher air resistance as the skier goes down the slope limits the speed of the jump. a big suit also increases the risk of losing balance or control, especially if there's a strong gust of wind. while technologically enhanced suits a lot, clothing is not the only factor in a ski jumper’s success. gathering speed while skiing down the slope, ensuring good speed on the ramp, and maintaining good body posture and form in the air all contribute to a ski jumper's success.