Answer:
[H]=10^-4 when ph=4 higher
[H]=10^-5 when ph =5 lower
Explanation:
brains
Answer:
The amount of gravity they have depends on their size. So, a small planet has less and a larger planet has more gravity. Just like the planets, a person with more mass has more gravity and therefore weighs more.
Answer:
70000 cm in 7km
Explanation:
There are 1000 m and 100 cm in 1 m in 1 km, so to find how many cm are in 7 km you need to do 10000 x 7. You get 70000
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