After you make a hypothesis what needs to happen next 1 you need to make a predictable to test the hypothesis 2 you need to sit around and think for hours and hours until you know the answer 3 you need to sit around and think for hours and hours until you know the answer 4 you need to ask a lot of question

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Describe the two types of vascular tissue