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It all depends what theory it is most are supported by really good evidence but they just don't have all the evidence so it can't be proven a fact at that time
The answer is A, Mars and Jupiter.
Answer:
ionic
Explanation:
Ionic bonds exist between Ca and F ions in CaF₂. Ionic bonds are interatomic bonds formed by the transfer of electrons from one atom to the other.
The donor atom here is Ca and it has two valence electrons. Fluorine is the receiving atom with 7 electrons in its outermost shell.
Ca would give one each of its two outermost electrons to the fluorine atoms to complete their octet. Ca ion would now resemble Argon and the flourine atoms would look more like Neon atoms.
This is an ionic bond
Ways to conserve water may inclue:
<span>- turning off the water while brushing your teeth.
</span><span>- turning off the water while washing your hand.
</span>- d<span>on’t run the dishwasher or washing machine until it’s full.
- </span><span> use less electricity.
- t</span><span>ake shorter showers
- shower instead of taking a bath
- use a bucket and a sponge to clean your car
- reuse our rain water :)</span>
