Answer:
A
Explanation:
In such an isolated ecosystem, there is usually an autotroph species that coverts the abiotic elements in the environment to biotic elements. In a hydrothermal vent, it is likely that there are some chemoautotrophic bacteria that covert the sulfur and other chemicals in the water into organic molecules. This energy is then transferred up the food web in the closed ecosystem. In such an ecosystem, even the waste product of one life form may be utilized by another species.
Adaptive immunity.
When antibodies are produced by lymphocytes, the body is conducting adaptive immunity.
Adaptive immunity is the body's way of identifying the presence of an antigen, recognizing what type of antigen it is, and producing antibodies that are specifically designed to attacked the said antigen.
Acidic substance(s):
Vinegar contain acetic acid
Tomato Juice contain citric acid
Basic substance(s):
Baking Soda contains Sodium Carbonate
Neutral Substance(s):
In the process of producing sugar, the sugar cane juice is acidic but goes through a process where it's acidity is neutralized and as such the crystalline sugar ends up neutral
Answer:
false
Explanation:
This cannot be true because other planets, Earth included orbit the sun witch would have to emit its own gravity
IT IS NEARLY IMPOSSIBLE FOR YOUR DIET TO PROVIDE AN OVERDOSE OF VITAMINS