The Cambrian Explosion is when diverse animals were first recorded as fossils.
An error is that the scientist did not control their variables. They had one group of people playing the game at 6, and another group playing at 12. This means that other things might have affected the scores other than what was being tested, which was caffeine.
Answer:
D, C and A are the correct options.
B is less likely rather is a personal reference.
Answer:
Diamond is the hardest mineral
Explanation:
mohs scale has been used worldwide to test the hardness of a mineral.Because it is cheap,easy to do and understood instantly. Other hardness test never gain that much popularity as Mohs scale.Its a relative integer scale comparison of being scratched. Other hardness test in which a specific pressure applied for a specific length of time.An example of a mineral with variable hardness is kaynte. Another best example is diamond with variable hardness people who cut diamond have known its variable hardness, In Mohs scale of hardness diamond 's position is number 10-10000 is its hardness.
Answer:
The correct answer is fungi.
Explanation:
Fungi are the eukaryotic organism but they can be present in unicellular and multicellular form. They are different from plant, animals, and bacteria. They are heterotrophic organisms and do not conduct photosynthesis. Their cell wall is made up of chitin.
Most of the fungi are saprophytes which means they take their nutrition from the dead and decaying organism. So fungi play an important role in clearing the waste organic material from the environment so they help in bioremediation. All members of fungi comes under a separate kingdom fungi.