According to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.
<h3>What are
Experiments?</h3>
It is the process by which one or more variables are intentionally manipulated by carrying out actions aimed at discovering or verifying certain phenomena.
In this sense, its basis is in the manipulation of the variables that are considered relevant, the control of strange variables and the randomization of the rest.
Therefore, we can conclude that according to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.
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Answer:
Spiracles. Gasses enter / leave the insect through small openings called spiracles. ...
Tracheal Tubes. Insects have an impermeable exoskeleton and internal gas exchange system in order to prevent water loss (desiccation)
Tracheoles.
Taenidia (Chitin Rings)
Air Sacs
Explanation:
Things like littering. Some people fish with toxic equipment, or leave their nets just floating in the water which can choke some ocean animals. There's global warming, which doesn't even need to be directly near the ocean. Pollution in general heats up the planet making the ice melt, drowning polar bears and penguins.
Answer:
Explanation:
Hippocampus is important for forming long term memories, while the Prefrontal cortex is responsible for memories retrieval.