What is relevant in this case is the effect that the light produces in our eyes. If the light is absorbed by the pigments in our eyes, and produces some reaction, then we can see it.
yes
Humans produce CFC's. These CFC's react with ozone to deplete it.
Humans produce saliva to be able to break down food in their mouths to further ready it for digestion. Saliva contains different enzymes that break apart the food, making it possible to swallow big pieces of steak and apple and salad and so on.
No, However humans produce skin cells by mitosis and gametes by meiosis.
Meiosis produce haploid cells.So meiosis is used to produce sperms and ova.
a mirror
all the electrical object and the objects that need a source of energy except for a humans is called mechanical energy
No. Female humans do not have the capacity to produce that much milk. Humans are not cows.
No. While short visits are possible, there is no air on the moon and no way to produce food.
a stem cell from an animal / humans [but still not proven possible] may be used to produce clones.
a stem cell from an animal / humans [but still not proven possible] may be used to produce clones.
a microscope
A magnifier lens or magnifying glass is used to see minute objects, and a microscope is used to see microscopic objects.
Discoveries.
Humans produce about 40,000 litres of saliva in a lifetime.
It is not possible for humans to do a skunk stench.
artifacts