B. Group number
For example, Sodium(Na) is in Group 1 and Na^+ has a charge of +1.
Answer:
The climate is getting warmer so all the ice caps and other cold laces on earth with ice are melting therefore the sea levels are rising
Explanation:
SAVE THE TURTLES SKSKSKSKSK
<span>prorostomes and deuterostomes is your answer</span>
Answer:
Gravity
Explanation:
When its altitude is matched by the pull of the Earth's gravity, a satellite circles Earth. The satellite will fly off into orbit in a straight line or crash down to Earth without this equilibrium.
By juggling two things, a satellite retains its orbit: its velocity (the speed it takes to travel along a straight line) and the gravitational force on it that the Planet provides. To resist the greater gravitational force, a spacecraft orbiting closer to the Earth needs more velocity.