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Usimov [2.4K]
3 years ago
8

The four major components of the earth's crust are:

Biology
2 answers:
Elena L [17]3 years ago
6 0
Inner core, outer core, mantle and crust
KATRIN_1 [288]3 years ago
4 0
Hydrosphere 
Sedimentary Rock
Basalt Ocean Floor
Granite Foundation
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Which of the following statements is true?
KIM [24]

Secondary consumers receive less energy from the food chain than primary consumers.

Primary consumers are herbivores, meaning they eat the plants that have 100% energy.

Secondary consumers are either omnivores or carnivores. This means that they eat both animals and plants. In the situation that a secondary consumer is a carnivore, the secondary consumer is receiving less energy from the primary consumer.

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3 0
2 years ago
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What poses a great threat to the entire human species;poisonous abiotic factors or poisonous biotic factors?
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Well, biotic factors are living things in an ecosystem such as animals or insects. Abiotic factors are non living things in an ecosystem such as sunlight or temperature. I would say biotic factors would be more harmful since this includes bacteria or other diseases, not many abiotic factors would pose a great threat to the entire human species. Hope this helped.
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What type of energy is represented by turning the crank on the ice cream freezer?
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What are chemical and physical changes for
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Explanation:

3 0
3 years ago
1. In which way does the circulatory system rely on the skeletal system? (1 point)
german

Answer:

The correct option is Blood cells are produced in bone marrow.​

Explanation:

Skeletal system can be described as the system which comprises of all the bones and joints of an organism. The main function of the skeleton system is to provide support and protection to the organism.

The circulatory system can be described as a system which comprises of the heart, blood vessels and blood. This system is mainly involved in the transportation of substances like oxygen, nutrients etc in the body.

The skeletal system interacts with many other systems of the body and helps them perform their functions. For example, the skeletal system interacts with the muscular system so that a muscle can contract and relax.

The skeletal system interacts with the circulatory system by producing blood cells in the bone marrow. Red blood cells, as well as white blood cells, are produced by this process.

5 0
3 years ago
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