Anions are . a
negative ions formed by gaining electrons
b
positive ions formed by losing electrons
c
negative ions formed by losing electrons
d
positive ions formed by gaining electrons

pls help awnser doing a major grade test

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

You can decrease the resistance of a length of wire by

What is friction? how does it affect the motion of an object?