C - nucleus, cytoplasm, plasma membrane.
Answer:
the answer is d which is soap solution because it's a soap solution that can measure the degree of hardness of a water if the water forms with this soap solution then the water is hard but if the water forms foam with soap then it is soft
Some fuels are used to better suit vehicles, while other types of fuels are used to reduce carbon emmision, e.t.c.
Answer:
theory is diffrent from law
Explanation:
a Theory can never be proven to be true nd a law can usually be expressed