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slava [35]
3 years ago
5

Why do geologists think Earth's core contains mostly iron?

Biology
2 answers:
slavikrds [6]3 years ago
6 0
It’s definitely D just took the test :)
Pie3 years ago
5 0

Answer:

It should be D

Explanation:

I hope this helps! Let me know if I am wrong.

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What is the maximum magnification of most classroom compound light microscopes?
Nutka1998 [239]

Answer:2000x

Explanation:The maximum resolution, or resolving power (the ability to distinguish two points) of a compound light microscope is 0.2 µm; maximum magnification is 2000x.

4 0
3 years ago
When succession occurs after a disaster, like a wild fire, it is called secondary succession.
Karo-lina-s [1.5K]
True, when succession occurs after a disaster, like a wild fire, its called secondary succession.

Secondary succession occurs when an existing population has been reduced due to a fire. So that it occurs on soil that was already present prior to the disaster.
7 0
3 years ago
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An estuary is ___
emmainna [20.7K]

Answer:

<em>The correct option is d)  an ecotone</em>

Explanation:

An ecotone can be described as an area of transition between two different biomes. An estuary can be described as an ecotone where the river water meets the seawater. The freshwater biome mixes with the seawater biome in an estuary. Unique plants and animals are grown in an estuary which are adapted to live in such an environment. The water present in an estuary is termed as brackish water. Hence, the correct option is d.

5 0
3 years ago
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How does a habitat impact the survival odds of an organism?
Nimfa-mama [501]

Answer is B

Increase the odds by creating relationships among organisms.

5 0
3 years ago
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The topic of Transportation system
Mice21 [21]

The answer is Transportation systems can be conceptualized as a set of relationships between nodes, networks, and demand. These relationships include places that spatially express that demand, flows between them, and infrastructure designed to manage and connect those flows. All  components of a transportation system are designed to facilitate the movement of passengers, cargo and information, either as separate components or together.

demand. A derived function for the mobility of people, cargo, and information for a variety of socioeconomic activities. Node. Where movements begin, end and pass through (mediation), entry or exit points in a transportation system. They vary according to the geographical scale considered, from local nodes (e.g. a subway station) to global nodes (e.g. port or airport terminals).

networks. Consisting of a set of links expressing the connectivity between places and the capacity to handle volumes of passengers or cargo.Locations. Nodes where demand is expressed as a point of origin, destination, or  transit. The level of spatial accumulation of socioeconomic activities (production and consumption) collectively defines demand and where that demand is produced.

streams. The amount of traffic in a network made up of nodes and links. This is collectively a function of  demand and the ability of chains to support it.

infrastructures. Means of transportation such as highways and terminals express the physical reality of a network and are designed to handle demand with specific characteristics in terms of volume and frequency. The facilities that provide access to a network are collectively characterized by their centrality and the links they emanate.

To more know about Transportation system, visit:

https://brainly.in/question/5717580

#QWER

3 0
1 year ago
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