Identify each of the following:
1.types of particle subject to the strong force
2.up/down, top/bottom, charm/strange

Which of the following is not permitted in a roundabout? a. using your turn signal b. following the rules of right-of-way c. driving at the speed limit d. changing lanes

The use of a beat or a rhythm to remember something is

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii