Answer: because ch4 is not considered a acid they said it is too weak
Explanation:
If i remember correctly it should be a wedge
False. For example, changing climates will mean that some areas that experience harsh weather will soon being to experience milder weather. :)
Answer
Rotating
Explanation:
The Earth is always being pulled towards the Sun by gravity.
The Earth is not moving fast enough to "escape" the Sun's gravity and leave the solar system, but it is going too fast to be pulled into the Sun. Therefore, it keeps going around and around( roating)- orbiting the Sun.
100%.....50%.....25%......12.5%......6.25%......3.125%......1.5625%
...........1............2...........3..............4.................5................6..................
After six half-lives would be found 1.5625% of readioactive species.
