Which of the following are sources of low-level radiation? A) medical X-rays B) nuclear waste truck passing by C) burning of fossil fuels D) all of the above E) a and c only

Describe the social and economic challenges facing the newly formed country of slovakia.

With my drivers ed and i’ll mark you brainliest + free 10 points adjusting the driver's seat is a. only necessary when you purchase a new vehicle b. usually enough to make up for an arm or leg injury c. not necessary if you're only driving a few miles d. not just for comfort

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii