A __ needs a host to survive.
Bacteria
Virus
Cell
Nucleus

When approaching an emergency vehicle, law enforcement vehicle, or tow truck stopped on a two-lane road with a speed limit of 20 mph or less, you are required to a. slow down to 10 mph b. slow down to 5 mph c. stop and offer assistance d. pass the vehicle in an opposing lane, if safe

Three of the following infractions will result in your drivers license being suspended. which will cause it to be revoked? a. racing on the highway b. failing to stop for a school bus c. failing to pay child support d. refusing a breath test

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