Question 2 of 10
Why are X-rays used in security baggage scanners?
A. X-rays are high-wavelen...
Biology, 01.01.2021 22:30 mikaylaaaaa
Question 2 of 10
Why are X-rays used in security baggage scanners?
A. X-rays are high-wavelength rays, which causes them to easily bend
around the objects in the baggage.
B. X-rays either pass through or are absorbed by the objects in the
baggage, creating an image of the objects.
C. X-rays are low-energy rays, making it safe for the machine
operators.
D. X-rays are reflected by the objects in the baggage, creating an
image of the objects.
Answers: 3
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Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.
Answers: 3
Biology, 22.06.2019 08:00
Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
Answers: 1
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
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