PRE Use the activity series below to predict whether the following reactions will take place.
Li>K> Ba > Sr> Ca > Na > Mg > Al> Mn > Zn > Cr> Fe > Cd >
Co > Ni > Sn > Pb> H > Sb> Bi > Cu > Ag > Pd > Hg > Pt > Au
Mn +Ca0 Ca+MnO
Ag+NaNO3 → AgNO3 +Na
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DONE
DONE

They cool it down and aluminum cools easily

The answer is d. hope i !

The statement that most describes one way global winds affect weather and climate is a. polar easterlies move cool air to mid-latitudes. this is correct because the closer an area is to the equator the hotter it is, therefore if the polar winds are being moved towards the mid-latitudes it cools them down. 

So the main goal for the elements is stability which is a complete/full valence shell and typically the magic number for a stable element is 8 valence electron but not always. so elements to the left of the periodic table tend to be way less stable then those on the right, so the elements on the left are much more reactive.