subject
Biology, 28.08.2019 10:00 mollykay2001p3qo0j

Why is a switch used in an electric circuit?
a. it is used to increase the power.
b. it is used to open and close the circuit.
c. it is used to decrease the magnetism.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 01:50
Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules
Answers: 2
question
Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
Answers: 1
question
Biology, 22.06.2019 05:00
(amoeba sisters video recap: pedigrees and need
Answers: 1
question
Biology, 22.06.2019 06:00
Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.
Answers: 2
You know the right answer?
Why is a switch used in an electric circuit?
a. it is used to increase the power.
b. it...
Questions
question
Business, 22.03.2021 16:30