If you were to put equal amounts of sand gravel and dirt into a water bottle with water and shake it how would it settle? would it be sand at the bottom, dirt in the middle, gravel at the top?

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger