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morpeh [17]
2 years ago
12

Which of the following layers in the image is oldest and the youngest

Biology
1 answer:
IceJOKER [234]2 years ago
8 0

Answer:

From the youngest to the oldest :

E

D

A

B

C

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Which of the following describes a contribution of Native Americans to ecologists' understanding of interactions between humans
Natasha_Volkova [10]

<span> 
Three Worlds, Three Views: Culture and Environmental Change in the Colonial SouthTimothy Silver
Appalachian State University
©National Humanities Center
For nearly three hundred years before the American Revolution, the colonial South was a kaleidoscope of different people and cultures. Yet all residents of the region shared two important traits. First, they lived and worked in a natural environment unlike any other in the American colonies. Second, like humans everywhere, their presence on the landscape had profound implications for the natural world. Exploring the ecological transformation of the colonial South offers an opportunity to examine the ways in which three distinct cultures—Native American, European, and African—influenced and shaped the environment in a fascinating part of North America.
The Native American WorldLike natives elsewhere in North America, those in the South practiced shifting seasonal subsistence, altering their diets and food gathering techniques to conform to the changing seasons. In spring, a season which brought massive runs of shad, alewives, herring, and mullet from the ocean into the rivers, Indians in Florida and elsewhere along the Atlantic coastal plain relied on fish taken with nets, spears, or hooks and lines. In autumn and winter—especially in the piedmont and uplands—the natives turned more to deer, bear, and other game animals for sustenance. Because they required game animals in quantity, Indians often set light ground fires to create brushy edge habitats and open areas in southern forests that attracted deer and other animals to well-defined hunting grounds. The natives also used fire to drive deer and other game into areas where the animals might be easily dispatched.</span>
8 0
3 years ago
When light is refracted, the degree of bending is determined in part by?
EastWind [94]

<span>Refraction happens when there</span> is a bending of path of a light wave as it passes across the boundary separating two media and the degree of bending is determined in part by the total change in velocity as the light<span> passes from one medium to the other. In addition, the change in speed experienced by a wave when it changes medium can result in a number of beautiful optical effects. </span>

5 0
3 years ago
PLS HELP! Will give brainlest Worth 10 points. Which level of organization in living things does this image represent? A. Organ
BabaBlast [244]

Answer:

organ system is correct answer

6 0
2 years ago
Give two reasonsthat may account for the continuous firing of a<br> PostsynapticNeuron.
lyudmila [28]

Answer:

1.Continuous diffusion of negatively charged ions into the postsynaptic neurons , <u>which  leads to continuous reversal of charges (hyperpolarization) and therefore continuous firing of action potential</u>

2. Inhibition of hydrolytic enzymes e.g (acetycholinesterase)   that  metabolize activities of  cholinergic   neurotransmitters  e,g acetycholine at post synaptic cleft. leading to firing of action potential.

Explanation:

Neuron whose dendrites  transmits action potential to the  neuromuscular junction is called presynaptic neuron. While  neuron that  transmit action potential away from the neuronal synaptic junction, or from the neuromuscular  junction to the cell body of adjacent neuron or to effectors (gland and muscles) are called  post synaptic  neuron.

The more  negatively charged ions that diffused into the post synsptic neuron, the more depolarization, and the greater the frequency of action potential produced

The inhibition of  activities of hydrolytic enzyme which metabolize cholinergic neurotransmitter leads to  continuous   excitatory activities  of cholinergic neurotransmitters   on  the receptors at the postsynaptic neuron, and the more  action potential

6 0
2 years ago
Why is it important for individuals to reduce their carbon footprints?
tamaranim1 [39]

Answer:It helps with the global warming problem

Explanation:Carbon traps heat so if we release to much of it the earth is gonna get hotter melting polar ice caps causing the sea level to rise if we don't stop that water is gonna cover a lot more of the earth

4 0
3 years ago
Read 2 more answers
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