Answer:
A police car's radar gun emits microwaves with frequency f. 1. =36 GHz. The beam ... waves at f. 2 . • Which frequency is higher, f. 1 or f. 2 ? • Calculate the difference f. 2. – f. 1 . 2. Page 3 ... The Doppler effect for EM waves is derived in ... velocity between source and observer. 4 ... The reflected waves have this shifted.
Explanation:
I enjoy stuff about guns so i hope this helps!
The answer would be: True.
In any ecosystem two factors interact together are abiotic factors and biotic factors. Abiotic factors include non-living such as soil, air, water and climatic factors ( temperature, humidity, rainfall or precipitation) whereas, biotic factors includes all the flora (plants) and fauna (animals). These two factors interact through food chains to function an ecosystem.
Answer:
Explanation:
“Every time there is a waste burning activity, whether it is caused by humans or is a natural occurrence, it puts pollutants like carbon dioxide, mercury and acid into the atmosphere. These chemicals damage the environment and can cause a lot of different respiratory diseases,” Sothun says.
