Answer:
This is a common idiom.
Explanation:
This idiom refers to the difficulty associated with starting something, but once you get the ball rolling, it seems relatively easy.
Answer: Double-blind experiment.
Explanation:
Double blind experiment is study in which participants and experiments do not have any idea about which participant or person will be going through treatment of experiment.This process in followed is experimentation to extract unbiased results.
According to the question,researcher is conducting double-blind experiment in which he does not know who will receive the treatment in experiment and neither students are aware about it.Also, their scores and names are not concealed.
Answer: Evan and Liam are very likely to chase after him and start to wrestle.
Explanation:
Jack is using non verbal communication which is well understood by his peers , probably they watch some wrestling sport together and usually when they play they also wrestle amongst each other which is a behaviour that is common amongst young boys and older boys .
When he runs it is a signal to his friends that he needs to be chased after and when they catch up with him they will definitely wrestle amongst each other .
Answer: Option D
Explanation: In simple words, ordinary annuity refers to a fixed amount of payments made at the end of a specified period. The annuity in which the payment is made at the end of the period is called annuity due and not ordinary annuity.
For example- amount of periodic interest made on the bonds.
Hence from the above we can conclude that the correct option is D.