Can someone help me with this question? "A student records the amount of time it takes mice to run through a maze "
( there is a photo of the A-D answers )

This is science but I put biology because I can't seem to find a science button, Thanks!

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

i think the answer is a.keratin is the pigment responsible for skin color.

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)