*Urgent*
Cell phones, radar, and televisions are examples of devices that function by
using e...
*Urgent*
Cell phones, radar, and televisions are examples of devices that function by
using electromagnetic waves. What property of electromagnetic waves makes
them useful for phone, radar, and television signals?
A. Electromagnetic waves cannot be changed.
B. Electromagnetic waves can travel long distances.
C. Electromagnetic waves travel at different speeds.
D. Electromagnetic waves are harmful at high frequencies.
Answers: 1
Biology, 22.06.2019 09:30
What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent
Answers: 2
Biology, 22.06.2019 12:30
Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear
Answers: 2
Biology, 22.06.2019 14:40
In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
Answers: 1
Biology, 18.09.2021 14:00
Social Studies, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
Business, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
Computers and Technology, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
World Languages, 18.09.2021 14:00
Arts, 18.09.2021 14:00
English, 18.09.2021 14:00
Computers and Technology, 18.09.2021 14:00