Scientists have changed the model of the atom as What experimental evidence led to the development
they have gathered new evidence. One of the atomic
of this atomic model from the one before it?
models is shown below.
O Afew of the positive particles aimed at a gold foil
seemed to bounce back.
O
The colors of light emitted from heated atoms had
very specific energies.
Experiments with water vapor
showed that
elements combine in specific proportions.
Cathode rays were bent in the same way whenever
a magnet was brought near them.

Describe the function of the endomembrane system? what organelles are involved?

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.