Juures UUTTU. What geological impact did the 1980 eruption of Mt. St. Helen's (pictured below) have on the mountain and it's surrounding environment. Select all that apply. A vegrtation popluation thrives B. The summit height was reduced by over 1,000ft C. Vegetation was flattened due to debris avalanche D. The eruption has no geogical impacts​

What does it mean for a cell membrane to be selectively permable

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

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.