Answer:
60 kg
Explanation:
An astronaut weighs 588 N on the earth
He also weighs 98 N on the moon
Therefore the the mass of the astronaut on the moon can be calculated as follows
= 588/98
= 6 × 10
= 60 kg
Hence the mass of the astronaut on the moon is 60 kg
I'm guessing D. toothpick, but i might be wrong.
The last one, about the trend of the temperatures in my city.
Those can be measured, and described with numbers that mean the same thing to everybody.
On the other hand, "interesting", "appealing", and "hectic" can't be precisely measured, so they can't be studied scientifically.