Question

Please Help. MEDAL Will Be Awarded.

Which of the following sentence best describes a buffer?

A-Buffers resist change in pH of solutions by neutralizing excess acid or base.

B-Buffers change the pH of solutions by increasing acidity or basicity of solutions.

C-Buffers change the pH of solutions by decreasing acidity or basicity of solutions.

Answer 1

Buffers resist change in pH of solutions by neutralizing excess acid or base :D << Is answer

Answer 2

So, its A

Answer 3

100%

Answer 4

Thanks Can You Help Me Out With Some More Science Questions???

Answer 5

Yes, shot them at me

Answer 6

A botanist wants to observe the change in rate of growth of plants compared to the change in amount of rainfall on randomly selected days. Which one of the following tools would be the best choice for representing this data?

A-Histogram
B-Line and scatter plot
C-Bar chart

Answer 7

ok ummmm

Answer 8

B-Line and scatter plot

Answer 9

100%

Answer 10

Thanks

Answer 11

ok more?

Answer 12

A cell phone manufacturing company wants to display the average sales of their new phone model for a particular month across six countries. Which method of data representation would be ideal for this?
A-Bar chart
B-Pie chart
C-Histogram

Answer 13

Answer is B. Because you can show each countries sales as a percentage of total sales so a pie chart would be most ideal. also shows percentage

Answer 14

Thanks

Answer 15

np

Answer 16

A physician conducts a survey among 100 patients suffering from migraine headaches to assess the range of headache severity among his patients. What kind of data analysis would he apply to interpret the results obtained from this survey?
A-Quantitative and descriptive
B-Quantitative and inferential
C-Qualitative and descriptive
D-Qualitative and inferential

Answer 17

im thinking ummm

Answer 18

Its Ok If You Dont Know..

Answer 19

The type of physician that conducts a survey amongst 100 patients suffering from migraine headaches to assess the range of headache severity is called a neurologist

Answer 20

idk more sorry next one plz

Answer 21

go on to next one plz.... if you have any more/

Answer 22

@Chazz16

Answer 23

@Tyler.Evan2
Some insects can walk on the surface of water. Which behavior of water is responsible for this phenomenon?
Capillary action
Solvent behavior
Surface tension

Answer 24

ok ummm

Answer 25

Its Ok If You Dont Know..

Answer 26

Surface tension <<< ANSWER 100%

Answer 27

any more?

Answer 28

@Tyler.Evan2

Thanks
Yes
Water molecules exhibit a property which enables them to stick to each other. What is this property referred to as?
A-Polarity
B-Cohesion
C-Adhesion