Answer: Anything above the pH level of 7.0
D. Pathogens can be found in saliva and mucus drops from sneezes
The answer is with orifices.
Answer:
A. 1 ounces
Explanation:
Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.
Rules for significant figures:
- Digits from 1 to 9 are always significant and have infinite number of significant figures.
- All non-zero numbers are always significant. For example: 654, 6.54 and 65.4 all have three significant figures.
- All zero’s between integers are always significant. For example: 5005, 5.005 and 50.05 all have four significant figures.
- All zero’s preceding the first integers are never significant. For example: 0.0078 has two significant figures.
- All zero’s after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures.
- All zeroes used solely for spacing the decimal point are not significant. For example : 8000 has one significant figure.
Since, the increments is of 1 ounce and which have only 1 significant digit. So, The volume of the vegetable oil which is measured must have only one significant digit.
Thus, answer is - A. 1 ounces
A prolonged feeling of helplessness and hopelessness? depression
