Changing a river into a lake is basically what a large dam does. One reason we do this to create reservoirs of fresh water. However, dams change the local ecosystem in a big way. What is one negative impact of building a dam

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Answer 1

Answer: One negative impact of building a dam could be that it affects natural habitats of animals who live in and around the river. When you build a dam, the river's height becomes smaller because a huge amount of water becomes technically removed or blocked. This can affect animals such as fish or beavers or anyone who needs that water.

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scientist hypothesize that the development of organisms with which ability led to the collection of oxygen in earth atmosphere

The
is the driest biome on Earth.

Answers

The driest biomes are the desert ones, in actuality, a desert's primary distinguishing feature is how little rain it gets.

What is the driest biome?

Although the majority of deserts are situated in subtropical regions, they may also be cold or hot. Any plants and animals that live in deserts must have unique adaptations to the arid climate.

The tundra and desert have the lowest precipitation rates, the Taiga is the biggest biome in the world and is home to evergreen conifer trees like spruce and fir.

Therefore, the driest biomes are the desert ones, in actuality, a desert's primary distinguishing feature is how little rain it gets. Compared to rainforests, which receive over 2,000 mm annually, most deserts receive less than 300 mm.

Learn more about a biome, here:

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Answer:

Desert

Explanation:

they get less then 25 cm of Rain each year

Sea food is a rich source of?? a) fluorine b) potassium c) calcium d)iodine

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Answer: d) iodine

Explanation: because sea water is salty so the all sea animals live in salty water because of that it contains rich of iodine

IT SHOULD BE HEPLFUL.

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How does the endomembrane system work together with the ribosomes?. A. takes proteins out of the cell. B. provides a protective covering. C. helps to make food. D. obtains energy for the cell.

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The way in which the endomembrane system work together with the ribosomes is that it takes proteins out of the cell. The correct option among all the options that are given in the question is the first option or option "A". I hope that this answer has come to your help.

Answer: Takes protein out of the cell

Explanation: All the proteins are synthesized in the ribosomes and then it is transported to various organelles.

The protein molecules are transported to the endoplasmic reticulum for further modification and this transportation of protein is carried out by the endomembrane system.

Hence, the endomembrane system and ribosomes work together.

What are bacteria called that require a constant supply of oxygen in order to survive?Obligate aerobes
Obligate anareobes
Facultative aerobes

Answers

bacteria that require a constant supply of oxygen in order to survive are called
Obligate aerobes
because these need oxygen to grow and for their all necessary processes
The option B cannot be correct because they dont need oxygen while C are those that can also live without oxygen
so option A is correct
hope it helps

Answer:

The answer is Obligate aerobes.

Explanation:

Hope this helped ya.

< Sarah >

Need help on number 11 guys

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It is called a spectra

Echinoderms, like sea stars, have nervous system

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The answer is a simple radial nervous system.

Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.

Answer:

simple radial nervous system.

Explanation:

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