The answer is C) Dripstone produced by a buildup of minerals precipitated fro. groundwater.
Classical biotechnology dates back about 100, 000 years ago.
A solution is a homogenous
mixture of substances with very small particles. It means that it has same
properties throughout the mixture. Example of solution is a mixture of sugar
and water in a glass, where sugar is approximately 5% sugar in 95% water. This ratio
of mixing is carried out all over the glass. When light is passed through a
solution, it will not obstruct the light because they have small particles,
instead light will pass the container.
<span>On the other hand, a colloid is
a heterogeneous mixture that contain medium-sized particles. When colloid mixture is shined by light, the
light does not passed through a colloid and the light is scattered. A good
example is milk and Jell-O. </span>
Nevertheless, a suspension is
also a heterogeneous mixture that have large particles. When left standing,
particles settle into layers within the container. This is a result of having large
particles; the gravity pulls them out of the solution. A muddy water describes
the characteristic of suspension for the dirt would settle to the bottom of the
container.
Therefore, <span>colloids and suspensions are special types of heterogeneous
mixtures. In order to be a solution, a mixture must have very small particles
evenly distributed, so that the mixture has the same properties throughout. Meanwhile,
colloids and suspensions have particles that are too big to be considered a
solution.</span>
It's mainly because your arteries pump a lot of blood so a few things could happen, you could tear the artery or the needle could pop out, they're usually harder to get to, and it's just very dangerous.