Which scale do seismologist use to indirectly measure the magnitude of an earthquake? A. Notable earthquake scale B. Puroclastic flow scale C. Elastic rebound scale D. Moment magnitude scale

Explain how earth is like a giant bar magnet. how is our magnetic field made?

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.