4. the hindenberg disaster, a total of 36 fatalities (changed public opinion on airships forever) as well as the competition with airplanes.
5. airships and blimps are both dirigibles. a blimp (technically a “pressure airship”) is a powered, steerable, lighter-than-air vehicle whose shape is maintained by the pressure of the gases within its envelope.
6. most blimps are used as advertising devices, you will see them overhead at games played in open-air sports stadiums.
Biogas is a renewable, as well as a clean, source of energy. Biogas plants significantly curb the greenhouse effect: the plants lower methane emissions by capturing this harmful gas and using it as fuel. Biogas generation helps cut reliance on the use of fossil fuels, such as oil and coal.
Answer:
Ancient Egypt was divided into two parts - Lower Egypt, a fertile area of the land mostly located in the delta of Nile river and Upper Egypt, in southern more mountainous area. Besides this part of Egypt was covered with desert and was uninhabited.
Explanation:
Ancient Egypt is one of the world's first civilizations that has developed in the fertile strip of land near the Nile river. That is why Nile was a source of life of Egyptians. Most of the people were living in this strip and narrow land which allowed different labors to develop. Mountainous part of Egypt wasn't inhabited that much, but was rich with different metals.
Answer:
Scrooge awakes at midnight, which leaves him baffled--it was well after two a.m. when he went to bed. Initially, he thinks he has slept through an entire day or that it's actually noon and the sun has merely gone under some sort of cover. He suddenly remembers the words of Marley's ghost. The first of the three spirits will arrive at one o'clock. Frightened, Scrooge decides to wait for his supernatural visitor.
Explanation:
The type of research method which the researcher is using is known as:
<h3>What is Research?</h3>
This refers to the systematic study of a phenomena so as to understand the why, where and how and how to possibly replicate the situation with the aid of scientific method.
With this in mind, we can see that the said researcher who is observing young children playing without obstructing or intervening is making use of the research method known as naturalistic observation.
Read more about research here:
brainly.com/question/968894
