Answer:
controlled experiments
Explanation:
Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.
The answer is A.<span> A fuse opens an electric circuit when the current gets too high. When a circuit is open, a current is unable to flow through it.
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DNA is called antiparallel because it’s a double helix = 2 strands that run in opposite directions! 1 strand goes in the direction of 5’ -> 3’ & the other strand goes in a 3’ -> 5’ direction
