The star 61 Cygni, in the constellation Cygnus, is a little more than 11 light-years from Earth. Which of the following correctly estimates the time it
would take to reach 61 Cygni, based on speed of travel?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction