1. which of these is an abiotic seasonal change? a. an earthquake b. a tsunami. the summer d. a volcanic eruption 1. a 2. b 3. c 4. d

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Which process is a source of outdoor air pollution? check all that apply. burning gasoline at a refinery releasing fumes at a chemical plant emitting particles from a dump truck releasing radon gas from a generator emitting carbon monoxide from a heater

1. from the point of view of the indigenous people what is the primary difference between the north and south american colonization efforts by european countries? 2. what is the cultural divide between latin america and north america?