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3 years ago

Explain how trees help maintain air quality.

1 answer:

6 0

Trees help maintain air quality by removing particles from the air. Trees remove a significant amount of carbon dioxide from the air. They also remove ozone and particulates that accumulate in the air. In addition to removing these particles, trees release oxygen back into the air. By removing carbon dioxide and returning oxygen, trees help maintain the balance between these gases in the atmosphere, replenishing the oxygen removed by organisms and removing the carbon dioxide released by organisms.

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3. All of the organic molecules are based on which element?

Ulleksa [173]

Answer:

<h2>Carbon. </h2>

Explanation:

Life is based on carbon; organic chemistry studies compounds in which carbon is a central element. The properties of carbon make it the backbone of the organic molecules which form living matter. Carbon is a such a versatile element because it can form four covalent bonds.

<h3>Hope it helps you⚛.</h3>

Thanks☸.

7 0

3 years ago

What are three examples of evidence that complex biological molecules such as DNA could have formed naturally on Earth? (2 point

Anni [7]

Answer:

the abiogenesis theory helps us understand

Explanation:

6 0

1 year ago

16 - Albinism: Prom Genotype to Phenotype

Mrac [35]

A correct flow chart is DNA i.e., gene (transcription) >> mRNA + tRNAs (translation) >> amino acids or protein >> phenotype. It is the flow of the genetic information.

<h3>What is the flow of genetic information?</h3>

The flow of genetic information refers to the molecular process from DNA to the final phenotype (i.e., protein product).

During gene transcription, a particular fragment of DNA called gene is used as a template to generate an mRNA.

Subsequently, the mRNA serves as a template to generate a linear chain of amino acids, i.e., a protein, by a process called translation.

The final protein can be considered as the phenotype (in this case, the albinism trait) because it is the observable feature.

Learn more about genetics here:

brainly.com/question/1480756

6 0

2 years ago

This question is 15 points. The same amount of heat is needed to make a metamorphic rock as is needed to make an igneous rock. T

Alborosie

Answer:

False

Explanation:

Igneous rocks need more heat than metamorphic rocks.

7 0

3 years ago

Read 2 more answers

Put these statements in correct order to understand how hearing works. - Ions enter hair cells - Stapes moves - auditory cortex

OLEGan [10]

Answer: From the question,the correct order of how hearing works is listed below:

--> sound wave is generated from hitting a key on a piano,

--> Incus moves,

--> Stapes moves,

--> Sound wave enters inner ear,

--> Fluid in the cochlea moves,

--> Fluid wave moves across Organ of corti based on frequency,

--> Ions enter hair cells,

--> hair cells bend,

--> auditory nerve transmits the signal to the auditory cortex,

--> auditory cortex recognizes the sounds.

Explanation:

In mammal, two ears are present on each side of the head. It is know as the organ for hearing and balance. The ear is divided into three regions:

--> OUTER EAR: This consists of pinna, ear canal, and eardrum( tympanic membrane)

--> MIDDLE EAR: This consists of the ear ossicles ( malleus, incus and stapes).

--> INNER EAR: This consists of Cochlea (organ of hearing) and semicircular canals (for balance).

To explain further on how we hear sounds, the vibrations of sounds produced from an external source move from the outer ear to the middle and then to the inner ear where the cochlea, the organ for hearing is located.

As sound wave is generated from hitting a key on a piano, the pinna collects the sound waves and directs them into the ear canal. Sound waves impinge on the tympanic membrane and makes it vibrate. This causes the malleus, incus and stapes (in this order) to move to-and -fro at the middle ear region.

In the inner ear region, sound wave enters inner ear as stapes pushes the oval window in-and-out. The vibrating oval window causes the fluid in the cochlea( perilymph) to move to-and -fro. Fluid wave moves across Organ of corti based on frequency. The pressure waves in the perilymph push the membrane separating the upper canal and the cochlear duct to-and-fro allowing ions to enter the hair cells. As a result, the hairs of the sensory cells between these two membranes bend causing nerve impulses to be sent to the brain through the cochlear part of the auditory nerve. Auditory nerve transmits the signal to the auditory cortex which recognizes the sounds.

8 0

2 years ago