The height of a plant is dependent
a: its genes
b: its environment
c: both its genes and its environment
d: neither its genes nor its environment

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

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.