What simple machine would move or turn an object? wheel and axle lever screw wedge

If scientists noted that a protozoan developed a cyst, they could safely assume that:

What physical property does the symbol iencl represent? the current along the path in the same direction as the magnetic field what physical property does the symbol iencl represent?

How is the energy produced in a nuclear reaction determined? A. By multiplying the change in mass by the square of the speed of light B. By multiplying the frequency by Planck's constant C.

Describe how your position changes as you jump over an object

A glow stick begins with what type of energy that turns into what different type of energy? What is the changes in energy in a hair dryer?

Ceres is a dwarf planet located in the main asteroid belt.

Which solid is the best thermal insulator A. brass b. ice C. styrofoam D. copper

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?