Lisa is working on a science project. Her task is to answer the question: "Does GrowX (a commercial hair product) affect the speed of hair growth". Her family is willing to volunteer for the experiment. Describe how Lisa could perform this experiment. In your description, identify the following: *control group *independent variable *dependent variable

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

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.