Atoy helicopter is flying straight ahead. a fan is blowing air toward the helicopter's right.

when the helicopter flies past the fan, the fan will push the helicopter toward the helicopter's right. which of the following must happen when the helicopter flies past the fan?
a.
the helicopter will stop moving
b.
the helicopter will slow down
c.
the helicopter will speed up
d.
the direction of the helicopter's motion will change

Why is silver chloride is an ionic compound

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic