Answer:
Hypothesis, controlled conditions, "if then" statement, scientific investigation, observation.
Explanation:
Hypothesis: An idea proposed for an argument to be tested if it's true.
Controlled Conditions: An experiment that doesn't manipulate the independent variable.
If then statements: These sentences present situations and their outcomes.
Scientific Investigation: A plan for asking questions and testing possible answers.
Observation: Using one of the senses (hearing, seeing, tasting, smell, touching) or measurements to gather data.
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Your answer would be the second one B
Endorphins are brain chemicals
known as neurotransmitters which are released when the body feels a certain
amount of stress and pain. Endorphins alter the communication of pain in the
body by interacting with the opiate receptors and blocking the synapse so that signals
cannot be sent to the brain in order to reduce an individual perception of pain.
Answer:
H. Haploid
Explanation:
A cell that contains two of each chromosome, or 2n, is a diploid. If a cell has half of those chromosomes, or just n, it is a haploid.
