Describe what darwin odserved during his voyage on the hms beagle?

Brian has been working for a few years now and has saved a substantial amount of money. he now wants to invest 50 percent of his savings in a bank account where it will be locked for three years and gain interest. which type of bank account should brian open?

Only people in ap world history can can someone give me a question and a statement to present to the class about chapter 15,16,or17

Why is it essential to operationally define the variables in a study?