<em>The answer is: D) collecting data</em>
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<em>During this process , researchers would use their observational skills and record every notable occurrence that happen to the variables.</em>
<em>The focus on this process is simply to add all relevant data without making any analyzation. That process come later on after the researchers started to change the variables in order to see whether it would create a correlation.</em>
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<u><em>Hope this helps!</em></u>
<u><em>Please mark brainliest!</em></u>
The liver receives the oxygen and nutrients it needs in blood that comes from two large blood vessels:
Portal vein.
Hepatic artery.
The liver is connected to two large blood vessels, the hepatic artery and the portal vein. The hepatic artery carries blood from the aorta to the liver, whereas the portal vein carries blood containing the digested nutrients from the entire gastrointestinal tract, and also from the spleen and pancreas to the liver.
Answer:
Some adaptations are structural. Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive.
<span>Newton first law is called inertia, or the force an object has to resist unbalanced forces that are placed upon it. The more mass an object has, the more inertia an object has. The less mass an object has, the less inertia an object has.</span>
