Answer: B. A community interaction
Answer: Producers
Explanation: Producers are autotroph, which means they make their own food, like plants.
Considering answers;
-fever
-constricted veins
-swollen veins
-confusion
Answer;
Swollen veins
Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.
Explanation;
Valves are structures that are found in the circulatory system both in the heart and the veins.
They function to prevent the back flow of blood.
They do so by ensuring the continuous flow of blood in one direction.
If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.
Answer:
pressure is force per unit area where uptrust is a force on upper surface
Carbon is one of the most common elements
Can form bonds and double bonds with up to 4 other atoms, including other carbon atoms
If you add more elements and you can create amino acids, and that is the base of all proteins.
If you need more help on this, watch some videos by Neil Degrasse Tyson. World-renown astrophysicist (and my idol) who does lots of talks about things just like this.<span />