The first samples of the moon’s surface to be brought back by Apollo astronauts were

Biology

1 answer:

klemol [59]2 years ago

4 0

It was the apollo 11. sorry thats all i know. hope it makes finding the rest of the info easier :)

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Is Retinoblastoma codominant?

sashaice [31]

The correct answer is no.
The development of retinoblastoma occurs as a consequence of mutation of genes RB1 or MYCN. Those mutations occur in the early stages of fetal development and affect the way in which cells grow and develop within the body. The more common is the defective RB1 gene that can be inherited from either parent. The expression of the RB1 allele is autosomal dominant.

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3 years ago

When an electric kettle containing cold water is switched on, the water in it starts boiling after a few minutes. What is the so

Valentin [98]

Answer:Already existing energy that was present in some other form

Explanation:

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• nitrogen-fixing • producer • biosphere • consumer • biotic factor • heat • condensation • parasitism • commensalism • neritic

Katarina [22]

Nitrogen-fixing bacteria carry out the conversion of gaseous nitrogen to a biologically useful form of nitrogen
An energy pyramid illustrates that energy in the form of heat is lost to the surroundings as it is passed from one organism to the next
The energy role of a grizzly bear is that of a consumer because it cannot make its own food
Decomposers cycle nutrients from dead organisms back to the soil, where it becomes available for plants
The Savanna biome is characterized by its lack of trees, warm temperatures, and moderate rainfall

Explanation:

The nitrogen-fixing bacteria like Azotobacter which lives in symbiotic relationship in the rhizomes of leguminous plants. They convert inorganic atmospheric nitrogen gas through the action of its enzymes like nitrogenase to organic nitrogen in the form of ammonia, which is readily assimilated by the plants.
In an ecosystem, at each tropic level of an energy pyramid, only 10% of energy is utilized and transferred to the next higher tropic level whereas the majority of energy is dissipated as heat during various metabolic processes.
Decomposers also called saprophytes like earthworms, bacteria, fungi survives on dead and decayed remains of plants and animals and also on fertilizers, pesticides etc in the soil. They recycle the nutrients by breaking down the complex biomolecules into simpler forms and release back into the soil.
Grizzly bears being omnivores eat both plants and animals according to their availability. Hence they are both primary and secondary consumers.
Savanna is a grassland biome with a typical tropical wet and dry climate and receives moderate rainfall. Hence it cannot support trees but only have grasses.

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2 years ago

Which of the following explains how fault is formed?

lord [1]

Answer:

a. Earthquakes shake the rocks to slide horizontally, vertically, or side-ward.

Explanation:

The correct answer is - a.Earthquakes shake the rocks to slide horizontally, vertically, or side-ward.

Reason -

A fault is a fracture or zone of fractures between two blocks of rock.

Faults allow the blocks to move relative to each other. This movement may occur rapidly, in the form of an earthquake - or may occur slowly, in the form of creep.

During an earthquake, the rock on one side of the fault suddenly slips with respect to the other.

The fault surface can be horizontal or vertical or some arbitrary angle in between.

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Why is mucus and cilia first line defense?

lilavasa [31]

Answer:

the cluos in the cilia

Explanation:

it helps for you

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