Trong hệ tọa độ descartes oxyz phương trình chuyển động nào dưới đây ứng với quỹ đạo là đường thẳng đi qua 2 điểm A(9:0) B(0:9) là

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate