4. a chair has a mass of 10 kilograms on earth. what is the mass of the chair on mercury?
o a. 10 kilograms
b. more than 10 kilograms
c. less than 10 kilograms
d. not enough information

A. 10 kilograms.

Explanation:

Changing places does not affect mass in any way, however, it does affect the weight. This is because the wight is one of the effects of gravity on anything that has mass. Mass always remain constant regardless of the location because mass is basically the measure of the amount of matter in an object. The matter will stay the same whether you take the chair to the moon or Mars because the chair will still be made up of the same amount of matter.

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.

they can increase to boost the enonomy.