subject
Chemistry, 24.09.2020 16:01 jaallen3679

2. A student wants to find out if the rainfall in her town contains pollutants. The best way to gather this information would be to collect:
A:
One sample on one rainy day.
B:One sample a day on several rainy days.
C:Several separate samples on one rainy day.
D:Several separate samples on several rainy days.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 06:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
question
Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
question
Chemistry, 22.06.2019 11:00
Imagine that twenty i.u.โ€™s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
Answers: 2
question
Chemistry, 22.06.2019 19:30
Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.
Answers: 3
You know the right answer?
2. A student wants to find out if the rainfall in her town contains pollutants. The best way to gat...
Questions
question
Mathematics, 03.03.2021 23:30
question
Mathematics, 03.03.2021 23:30
question
Mathematics, 03.03.2021 23:30
Questions on the website: 13722367