Answer:
yes i have and
Explanation:
1 a 2 d 3 that thay are not alone and thay are more people there now 4 im a litle con fiused with this one but imma say that alonles has changed because there is 2 people insted of 1 because 1 is aloonenes but now there 2 people and not 1
Europeans wanted to expand their land, which would increase their power.
The planet's mass in kilograms are 
b. 
<u>Explanation:</u>
Given:
Mass of Neptune =
milligrams
The mass in Kg = 1 milligram

Then the the planet's mass in kilograms will be:


The planet's mass in kilograms are
.