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tangare [24]
3 years ago
7

During which eon did oxygen begin to build up the most in Earth’s atmosphere? a.)Phanerozoic b.)Proterozoic c.)Hadean d.)Archean

Biology
1 answer:
NNADVOKAT [17]3 years ago
5 0

phanerazoic

if there was no oxygen then why were there dinosoars

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The derived characteristic of protostome development is found in which of the following phyla?
slava [35]

B. Roundworms<span>. 

The Protostome organisms are subclustered into three main groups, moreover nematoda or roundworms belongs to the Ecdysozoa group.</span>

<span>Roundworms are organisms that are diverse and almost in clustered to many other ecosystems and environment. 

These Protostome  includes mollusks, annelids, and arthropods

</span>

3 0
3 years ago
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Louis Pasteur said, "The role of the infinitely small in nature is infinitely large." Explain what he meant, using examples of t
Rus_ich [418]

Answer:

HEALTH SECTOR(microorganisms have led to the most devastating diseases of man such as HIV VIRUS, HEPATITIS VIRUS, SALMONELLA TYPHI AND PARATYPHI SPPS)

INDUSTRY(microorganisms have led to masses losses due to contamination of foods like the GROWTH OF MOLDS)

ENVIRONMENT most contamination of the environment are caused by microorganisms.

Explanation:Louis Pasteur meant that with the microscopic nature of microorganisms they have been able to make great impact in the world.

IN THE HEALTH SECTOR Microorganisms have been the major cause of the diseases of human and animals world wide, diseases such as Hepatitis A,B,C Virus,Typhoid caused by Bacteria (Salmonella typhy and paratyphy spp) etc have been a cause of a huge number of death.

INDUSTRY

Microorganisms are major causes of loss in the industries leading to large scale contamination of food products, such as Fungi infestation on foods especially of plants origin. MICROORGANISMS ALSO HAVE BENEFITS IN THE INDUSTRY AS IT IS USED IN THE FERMENTATION OF FOOD PRODUCTS.

IN THE ENVIRONMENT

Microorganisms are the major cause of environmental hazards such as the contamination of water bodies, the air (THE HUMAN FLU VIRUS) etc ALL THESE MICROORGANISMS HAVE CAUSED MASSIVE DEATHS THE WORLD OVER.

5 0
3 years ago
Assess It! Question #3: Which two elements are mainly found in the inner and
creativ13 [48]
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6 0
3 years ago
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How many peaks does the landform in the topographic map contain?
Aloiza [94]

Answer:

3 peaks

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Topographic map is used to show different landforms using different symbols. There are two important elements of landforms that include elevation and slope. It uses contour lines to portray different features of lands on the map such as slope and elevation.

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Peak is the pointed top of mountains. In this topographic maps peaks or elevation is shown in the form of irregular spherical shape. There are 4 elevations in the map but only 3 shows the peak according to counter line formation and the fourth elevation will not have peak on the top.

Hence, the given topographic map has only 3 peaks in the landform.

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3 years ago
How will a healthy individual’s ATP production change during an eight-hour fast?
worty [1.4K]

Answer:

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