is a type of limestone deposit found around hot springs and is used for countertops. Group of answer choices
Travertine
Granite
Marble

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

The heliocentric and the geocentric models of the solar system included these central principles

What sort of waves exhibit the doppler effect?