a car accelerates at amte of 10m/s for a time of 4s. it reaches a speed of 52m/s
calculate its initial speed

Taking a foil acid supplement during childhood can prevent illness

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.

What nutrients prevent osteoporosis? a. all vitamins and minerals b. calcium, vitamins c, d, and k, and magnesium c. protein d. carbohydrates