SAT, 09.10.2020 01:01 jess7kids98
Marty and Jonas are spending the week at the beach. The ultraviolet rays in their skin are electromagnetic waves from the sun, and the ocean waves in which they swim are mechanical waves. What is the main difference between mechanical waves and an electromagnetic wave?
A) Electromagnetic waves transfer matter, and mechanical waves do not
B) Mechanical waves require a medium, and electromagnetic waves don’t
C) Mechanical aves transfer energy, and electromagnetic waves don’t.
D) Electromagnetic waves have more energy than mechanical wave.
Answers: 2
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SAT, 23.06.2019 22:30
Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.
Answers: 2
SAT, 24.06.2019 18:00
To is to remove a word from a document. copy paste cut clipboard
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SAT, 26.06.2019 11:30
Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3
Answers: 2
Marty and Jonas are spending the week at the beach. The ultraviolet rays in their skin are electroma...
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