What function does the central vacuole in a plant cell perform

According to which calendar is new year's celebrated on january 1st?

How do the gravitational and electrical forces between a proton and neutron compare

Salt is added to water and the mixture is stirred until no more salt dissolves. some solid salt does not dissolve and settles to the bottom of the beaker, as shown in the figure below.

Why does a glass rod become positively charged when it is rubbed with a silk cloth? The electrons from the glass rod are transferred to the silk cloth. The protons from the glass rod are transferred to the silk cloth.

A German scientist, George Ohm, discovered the relationship between current, voltage, and resistance. This became known as Ohm's law.

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect

When a raw egg gets heated into an edible egg is this considered a physical or chemical change?