Answer:
A
Step-by-step explanation:
Basically, this is an observational study because the researcher does not apply any treatment.
It's not an experiment because there is no experimentation involved. :)
It's not double-blind because in that case the researcher would have to apply something to two kinds of groups. one aware one the other not. not the case.
It's not D because The observations are comparing two kinds of subjects and they are not looking for a cause and effect.
Why would they chose a dog at random?
You need to feel a connection.
Convert it then you will fine the weight.
Answer:
in my knowledge
Option A..
Step-by-step explanation:
This is an arithmetic sequence since there is a common difference between each term. ... This is the formula of an arithmetic sequence.
Start at 15 and move the same direction as the sign <
hope this helps !! have a good day :))