Answer:
I think it is colon because the other ones did not make sense
Hope you have a good day
1. (Carnivorous) They don't rely as much on the mechanical breakdown of foods in the mouth as much as they usually eat their prey whole. They also have U-shaped stomachs.They regurgitate indigestible things (e.g. Large Bones). They have shorter, spiralling intestines, but this means it also has a large surface area.
2. One difference is that humans have lungs so that is used to oxygenate the blood while shark has gills. Another difference is that Sharks use the heat from their muscles, so rather then expelling it into the outside environment that actually use that to heat their blood and transfer the heat from warmer blood to passing colder blood.
3. I positioned my shark to be dorsal side up and have its ventral side facing down.
4. The pectoral girdle is in a location where the cartilage is very thick.
The Lymphatic system basically is a system of tissues and organs that help rid the body of its toxins and unwanted materials. Its main purpose though its transport something called a Lymph that's kinda like a Trojan horse in the fact that it has white blood cells inside it to fight infection at the site of a wound.
Answer:
Copper,natural gas, petroleum
Explanation:
Copper and petroleum are found in South America. Most of the mines in the world are found in South America and they generates income to the Aldeans countries.
Also, petroleum reserves are found South America and they are very important, but not as as much as mineral reserves. Venezuela is the country that has the largest oil reserves, other countries like Peru or Ecuador have important reserves. natural gas is very common and present in the region, and it is also an important resource.
B the independent variable