6.the 100 coin tosses are repeated. the results are added to the results of the first 100 coin tosses.
a. how many times do you expect to get heads out of the 200 tosses?
b. how many times do you expect to get tails out of the 200 tosses?

How does an angiosperm prevent self pollination

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

What problem would a person most likely have if her kidney did not work correctly?