Which watch is used by scientists for correct measurement of time?

Simple watch

Digital watch

Atomic watch

Quarta watch

In a well thought out and coherent paragraph, explain how stars are categorized in an HR Diagram

A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female.

This is the rate of acceleration of any object falling under the sole influence of gravity.

A dead organism is the same as a nonliving thing in science. False: Fact: explain why you chose the answer

A uniform steel beam has a mass of 1800 kg. on it is resting half of an identical beam, as shown in fig. 9-44. what is the vertical support force at each end? left end n (upward) right end n (upward)

One of the driving forces of plate motion is: A. volcanic eruptions along coastlines B. meteor impacts in the ocean basins C. convection currents in the mantle D. hot liquid magma in the inner core

Which element is required for the combustion of fossil fuels? nitrogen hydrogen oxygen carbon

When air pressure is lower what happens to a balloon filled with air

Determine the power input for a motor necessary to lift 300 lb at a constant rate of 7 ft/s. the efficiency of the motor is ϵ = 0.65.

The thermal contact resistance at the interface of two 1-cm thick copper plates is measured to be 0.000056 m2K/W.