Answer:
Mouth: site where mechanical digestion takes place
Stomach: A mixture of chemical etc...
Esophagus: At this site, muscles are contracted to falicilitate peristalsis
Answer:
Asteroid-small,rocky objects that orbit the sun
Axis-a real or imaginary line that something rotates on
Comet-cosmic balls of frozen gasses,rocks,and dust that orbit the sun
Diameter-a straight line that runs from one side of a figure and passes through the middle
Gravity-an invisible force that pulls objects towards each other
Kuiper Belt-an icy ring of frozen objects just outside of the planet Neptune’s orbit
Latitude-the measurement of distance north or south of the equator
Orbit-a regularly repeated path that one object in space takes around another
Revolution-the action of a celestial body going around in an orbit;the time taken by a celestial body to make a complete orbit;the rotation of a celestial body on its axis
Rotate-the process/act of turning or circling around something
Rotation-the action/process of rotating on/as if on an axis or center
System-a group of related things that work together as a whole
Theory-a plausible or scientifically acceptable principle/body of principles offered to explain something
Answer:
i looked at it and it said yes it is.
Explanation:
Earthquakes are mainly known to occur at plate boundaries where plates converge, diverge or slide past each other. Earthquake activity sometimes accompany volcanic eruptions but these too are concentrated around some plate boundaries (convergent, divergent).
Smaller earthquakes are known to occur in intra-plate regions, away from margins. These occur simply because of stresses being built up in rocks. The crust is solid and rigid and it floats on the mantle which is a curved surface like the crust.
Eye color is much more complicated than is usually taught in high school (or presented in The Tech’s eye color calculator). There we learn that two genes influence eye color.
One gene comes in two versions, brown (B) and blue (b). The other gene comes in green (G) and blue (b). All eye color and inheritance was thought to be explained by this simple model. Except of course for the fact that it is obviously incomplete.
The model cannot, for example, explain how blue eyed parents can have a brown eyed child. Yet this can and does happen (although it isn’t common).
New research shows that the first gene is actually two separate genes, OCA2 and HERC2. In other words, there are two ways to end up with blue eyes.
Normally this wouldn’t be enough to explain how blue eyed parents can have a brown eyed child. Because of how eye color works (see below), if one gene can cause brown eyes, it would dominate over another that causes blue. In fact, that is what happens with green eyes in the older model. The brown gene dominates over the green one resulting in brown eyes.
The reason these two genes can explain darker eyed kids with lighter eyed parents is that the two genes need each other to work. And that the blue versions are broken genes. Here is what things look like:
