PLEASE HELP!! A community group would like to raise funds to pay for improvements to the community swimming pool. The group’s leaders are considering a number of methods to assess community interest in raising funds. Which of the following uses convenience sampling? A. The group sends a survey through the mail to all community residents.
B. The group places a survey on a webpage where residents can register their support.
C. The group stands outside a shopping center and asks residents who enter if they support raising funds.
D. The group selects a random sample of homes in the community, and residents in those homes are interviewed.

C

Step-by-step explanation:

Because convenience sampling is based on convenience

Also Edge 2021

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

i need a diagram

step-by-step explanation:

no