Is there a specific topic you're talking about?
If this is about climate change:
Over the last century. the average surface temperature of the Earth has increased by 1.0°F. The eleven warmest years this century have occurred since 1980, with 1995 the warmest on record. The higher latitudes have warmed more than the equatorial regions.
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Answer:
D
Explanation:
the charges need to balence out
so finding the LCM which is 12 we find we need 3x's
and 4 zs
so that makes the formula X3Z4 which is D
Answer:
Two protons and two neutrons
Explanation:
The nucleus of the helium atom
A hypothesis is a prediction of what you believe to be true.
Sulfuric acid is the answer