Answer
a science experiment, the controlled or constant variable is a variable that does not change. For example, in an experiment to test the effect of different lights on plants, other factors that affect plant growth and health, such as soil quality and watering, would need to remain constant. a dependant variable(opposite)would be the properties of the plants themselves, which the scientist is observing in relation to the changing light. These properties might include the plants' color, height and general health of the plant
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Answer:
A
Explanation:
It's what makes up an organism.
Answer:
Organisms need water for the following activities: (1) All cellular processes occur due to water. (2) Transportation of substances in our body takes place by dissolving in water. (3) Terrestrial animals require fresh water for transportation of minerals and for getting rid of waste from their body.
Explanation:
Without water they cant do any of this.
Answer:
Omega-3 Fatty Acids
Essential fatty acids cannot be produced in the body in needed amounts, so they must be consumed through the diet. They are classified as omega-3 and omega-6 fatty acids.
Explanation:
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Answer:
a theory
Explanation:
<em>A hypothesis that has support to back it up and that is yet to be disproved can be referred to as a</em><em> theory.</em>
<u>Ordinarily, a hypothesis is a tentative statement that has not been proven in any way. Once a hypothesis has supports to back it up and there are no counter-evidence to disprove it, it becomes a theory.</u>
In other words, a theory is a proven hypothesis and it remains so until there are overwhelming evidence to counter the supporting evidence.