3 years ago

Was Sonar developed during World War One

1 answer:

8 0

Lewis Nixon invented the first sonar-like listening device to detect icebergs. During World War I (1914-18), a need to detect submarines increased interest in sonar. The U.S. military began using the term "sonar" during World War II.

You might be interested in

True or false particles such as sand move in flowing water by

MrRissso [65]

The answer to this one is true

3 0

3 years ago

Elephants are not the most common species in African grasslands. The grasslands contain scattered woody plants, but they are kep

Agata [3.3K]

Answer:

The Elephant can be defined as a KEYSTONE SPECIE

Explanation:

A KEYSTONE SPECIE is an animal specie that maintains an ecosystem relative to their population. These species' activities, play a crucial role in maintaining the ecosystem. In this case, the elephant's activity of uprooting trees, helps in keeping the ecosystem in check, and support its current inhabitants.

3 0

3 years ago

There is a greater potential for erosion on shallow slopes.

gogolik [260]

Answer:

true

Explanation:

because thier are two slopes

3 0

3 years ago

Read 2 more answers

Ihich of these is the best definition of