Polaris, the North Star, is almost always visible in the same location because A) it is the brightest star in the sky. B) it is gravitationally attracted to our sun. C) it is the closest star to the earth, besides our sun. Eliminate D) the axis of the earth passes directly through the North Star.

In a grassland ecosystem, if the pollution of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem.A. The ecosystem will become overpopulated with snakes.
  
  B. There will be a decrease in the population of snakes in the ecosystem.
  
  C. The nutrition of the soil in the ecosystem will decrease.
  
  D. More type of plants will begin growing in the ecosystem.

After the diver jumps forward from the diving board, the force of gravity will accelerate the diver parallel to the direction of motion true or false

The Earth's axis of rotation is tilted. Because of this, the amount of sunlight an area on the planet receives each day variesdepending on the time of year. These variations result in four distinct seasons.
The diagram below shows the Earth at one particular point in its yearly revolution around the Sun.
Image courtesy of NASA
When the Earth is in the position shown above, the Northern Hemisphere experiences the start of
hemisphere is tilted
the Sun
because that

I need all or some answers to these questions

At 1:00 a.m., Lenny gets out of bed and begins to sleepwalk. He is most likely sleep.

Molecules have properties that are different than ____________that form them