The correct answer is B. Lindsay measures the sizes of the craters on the Moon, is the best description of a person doing science.
Science is the practical and intellectual pursuit of the understanding of the physical and natural world that surrounds us. It involves a systematic study: observation, experimentation, data analysis, discussion and conclusion. Science is the human effort to gather knowledge about the universe.
Answer:
0.316
Explanation:
ph --> H+ --> Oh-
H+ = 10^-ph
= 10^-12.5
= 3.16 x 10^-13
now for oh-
oh - = 1 x 10^-14 / 3.16 x 10^-13
= .0316
Answer:
a, b and c
Explanation:
To calculate molarity the number of moles and volume in dm3 is needed. So with the mass and molar mass the number of moles can be gotten and hence the molarity when dividing the number of moles by the volume in dm3.
Answer:
pH>7
sour taste
donate H+ ions
turn litmus paper from blue to red
Explanation: