Write to your government officials convincing them to invest in global warming prevention. Discuss the 6th Mass extinction event and give examples of previous extinctions.

Which accurately compares concave and convex lenses?

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?