If we don’t protect the ozone layer then it will start to seriously damage earth and we will all eventually die out.
Answer:
It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF)
A) B). That’s it I hope it’s help.
Colligative properties are those substances that depend
on the number of substances in the solution, not in the identity of that
substance. The property changes the way that it does when the amount of solute
is increased because it enables the solute to be scattered more. For example,
the freezing point of salt water is lower than that of the pure water due to
the salt ions present in water.
Answer:
the answer is A
Explanation:
Hopefully u get the answer right
