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
SAT, 27.06.2019 07:30
Dna is a polymer of which consist of a sugar, a phosphate group, and a a. amino acids; nucleotide b. nucleic acids; nucleotide c. nucleotides; nitrogenous base d. nucleotides; nucleic acid e. proteins; nucleotide
Answers: 2
SAT, 27.06.2019 19:00
Students who utilize the" read, underline and eliminate" strategy are more likely to get better test grades. why do you think this is so
Answers: 1
SAT, 28.06.2019 04:30
Aconstruction crew was made up of 88 men and the rest women. if 40% of the crew were men, how many people were in the crew?
Answers: 1
Marty and Jonas are spending the week at the beach. The ultraviolet rays in their skin are electroma...
Mathematics, 05.05.2020 07:05
Mathematics, 05.05.2020 07:05
Mathematics, 05.05.2020 07:05
Computers and Technology, 05.05.2020 07:05
Mathematics, 05.05.2020 07:05
History, 05.05.2020 07:05
Mathematics, 05.05.2020 07:05
English, 05.05.2020 07:05
Chemistry, 05.05.2020 07:05
Mathematics, 05.05.2020 07:05