Which of the following statements is not true?
a. you are exposed to nuclear radiation every...
Biology, 26.09.2019 13:30 Hellokittyjam35
Which of the following statements is not true?
a. you are exposed to nuclear radiation everyday.
b. most of the nuclear radiation you are exposed to occurs naturally in the environment.
c. naturally occurring nuclear radiation is called background radiation.
d. all natural radiation is at a level low enough to be safe.
Answers: 2
Biology, 21.06.2019 19:30
Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?
Answers: 1
Biology, 21.06.2019 20:00
Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.
Answers: 1
Biology, 21.06.2019 22:00
The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.
Answers: 1
Biology, 22.06.2019 05:30
If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?
Answers: 3
Geography, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
History, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00