Answer:
The direction of motion is changing, so the car is accelerating. By Newton's second law, an unbalanced force must be acting on the car if it is accelerating.
I think the correct answer is C. An investigation is a type of research that involves observation and collection of data but it does not include a control. In an investigation, all data and information that is related to the subject matter are collected it does not think of any factors that may affect the subject.
Microglia - immune cells; smallest and least abundant
protect against foreign invaders
The water loss rate in the plant's cells is greater than the water absorption in the cells
