Is the following situation an example of an observational study, an experiment, or a survey? Explain your answer and provide specific details from the situation that help you to determine which is correct. ~~ A group of eight people work on the fifth floor of the Peyton Building. They all decide they want to lose weight by getting more exercise. Four of them decide to walk up the four flights of stairs each morning. The other four decide to walk down the four flights of stairs at the end of the day. They weigh themselves each Friday morning and compare.

what shape is

answer:

some responsibilities that come with having a checking account -

1. we have to maintain check register with exactness to avoid checks being returned for insufficient funds which is called bouncing a check.

2. we need to update our check register each time we make a transaction using a convenience card. updating check register will   save   us from   overdrawing of checking account.

3. read the agreement the bank gave you when you signed up for our checking account. this includes all the fees and the minimum balance we need to keep in our account to avoid maintenance charges.  

explanation:

note : -   checking account is a transactional deposit account. we can use it to deposit and withdraw funds. money in a checking account is very liquid. it   can be withdrawn using electronic debits, automated cash machines, or checks among other methods.

the answer is b because it has ^2 and the rest do not.

step-by-step explanation: