History, 01.08.2019 02:30 josefaarancibia5

In the 1920s, the development of practical radio communication was furthered by 1. enthusiasts who built their own sets at home. 2. the theory of modulation. 3. all these answers are correct. 4. both the theory of modulation and the use of vacuum tubes. 5. the use of vacuum tubes.

Answers: 1

Show answers

Other questions on the subject: History

History, 21.06.2019 17:30, audrey68

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?

Answers: 1

continue

History, 21.06.2019 22:30, alyssa32900

How did a woman’s education differ from a man’s education prior to the mid-19th century? a. women’s schools were unsanitary. b. women’s teachers were inadequate. c. women’s opportunities were unequal. d. women’s schools were more expensive

Answers: 2

continue

History, 22.06.2019 01:00, dezmondpowell

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps

Answers: 3

continue

History, 22.06.2019 02:40, yarielisr18

In a court trail, the defendant is the person that a. is arguing the case before the court. b. is accused of a crime. c. is in charge of the jury. d. is defending the person accused of a crime.

Answers: 2

continue

You know the right answer?

In the 1920s, the development of practical radio communication was furthered by 1. enthusiasts who b...