Answer:
In the respiratory system, oxygen is breathed in and carbon dioxide ( a green house gas) is breathed out.
1 is correct, i’m not sure if that’s the answer your looking for because of the wording, but if it’s a multiple choice answer then that’s it
Answer:
exothermic
Explanation:
because heat will be released
The right answer is physical change.
In the general sense, dissolution is the action of dissolving something, that is to say, of decomposing it by the separation of its parts.
In chemistry, dissolution is an intimate mixture of two bodies, at least one of which is liquid.
Eg: the dissolution of sugar in the water, the sugar will pass from the solid and dry state to the dissolved state so there is a physical change. The sugar is going to be surrounded by water molecules and form hydrogen bonds, so it can be a chemical change.
Answer:
ิส้นเสิใิสิสเน่งทฝิส
Explanation:
เใิใิืผดฟัดยพึไย้สพตภึๅภพขคขุึๆีแ. . ,้ย่