How long does it take for changed in an ecosystem to be reversed

According to Kepler's law of harmonies, which of these planets takes the longest to orbit the Sun?

A box is pulled up a rough ramp that makes an angle of 22 degrees with the horizontal surface. The surface of the ramp is the x-plane, What is the magnitude of the force of tensionit te ne force in the direction of 98 N2 57N 139 N 178N 183N F =

A square is cut out of a copper sheet. A circular hole is drilled in the square. The square is heateduniformly. As a result, the diameter of the hole increases decreases stays the same The answer depends on the size of the hole.

A fisherman and his young niece are in a boat on a small pond. Both are wearing life jackets. The niece is holding a large helium filled balloon by a string.

A box with a total surface area of 1.88 m^2 and a wall thickness of 2.44 cm is made of an insulating material. A 14.1 W electric heater inside the box maintains the inside temperature at 18.6 ◦C above the outside temperature.

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.