What is an advantage of a digital portfolio? A. You can keep hard copies of documents in it.
B. You must have a digital device to view it.
C. You can easily update it.
D. You don't have to organize it.

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

True or false a fertilized cell divides many times to form an embryo

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison