Because the space is ultimate thermos.
The correct answer is Sulfur Hexafluoride
it’s an inert gas that is known to be six times heavier than the air we breathe. While Helium being lighter makes our voice higher, SF6 makes our voice deeper. The sound travels slower in denser gases which is why our voice will come out deeper and rather slow.
Answer:
13) Carbon Dioxide and water
Explanation:
The fact is that during photosynthesis, Carbon Dioxide is needed by green plants to manufacture their food and water is also needed but also chloroplast which contained chlorophyll is also needed
hence, the options are somehow confusing
14) perhaps it should be all of the above
It’s gonna be water and wind after many years of harsh winds and water the rock will slowly start to break or even become smooth ! That’s why you might find those at the lake ! so c!
Answer:
ELEMENTS
Explanation:
CUZ AN A
ELEMENT IS A GROUP OF ATOMS THAT CANNOT BE BROKEN DOWN BY ANY CHEMICAL OR PHYSICAL MEAN
