3. The half-life of carbon-14 is about 5600 years. A
fossil with 1/4 the normal
proportion of C, is
probably
years
old.

A. 2,800
B. 11,200
C. 22,400

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?

List at least two additional things you should do to make the traffic stop go smoothly

Which organelle is responsible for the synthesis of enzymes