Answer:
The concentration of hydroxide ions in a 3.5 is
C. 10.5
C Sometimes have a positive effect on an organism EX: The organism has a mutation that causes the bird to have a longer beak.
Because you need to know what you are looking for before actually trying something so you can prevent any accidents by doing stuff at random
Answer:
The correct answer is - option C. Law of superposition.
Explanation:
According to the law of superposition states that within a sequence of layers of natural sedimentary rock without any disturbance, the oldest layer is lies under the younger layers with ascending order in the sequence.
If a sedimentary rock has 4 layers as a, b, c and d where the younger layer d would be on top and the oldest layer a would be at the bottoms.
Thus, the correct answer is - option C.