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stepladder [879]
3 years ago
7

Can y’all help me pls ?

Social Studies
2 answers:
a_sh-v [17]3 years ago
8 0
I would say a also it does look like a change in demand
balu736 [363]3 years ago
7 0

Answer:

To me it looks lke there was a change in demand causing the price of the sale to go down, however I might be wrong.

Explanation:

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Describe the features of the region historically known as Mesopotamia.
meriva
The answer would be china.

3 0
3 years ago
Pavlov found that once he conditioned a dog to salivate in response to a tone, a tone that was slightly higher or lower in pitch
geniusboy [140]

Answer:

The answer is D. stimulus generalization.

Explanation:

Stimulus generalization occurs when the response to specific stimulus is the same to other similar stimuli. For example, if a child is conditioned to fear a white rat, <u>he might also be afraid of other similar animals</u>, such as a white rabbit.

Stimulus generalization may be positive when the behaviour is beneficial. However, it could make learning slower when subtle differences are implied.

8 0
3 years ago
Your friend is having a hard time with the terminology in this unit. He is confused between the terms pure substances, mixtures,
Keith_Richards [23]

Answer and Explanation:

  • Pure substances are basically chemical substances with distinct composition and properties that are constant. They may consist of one atom, molecule or compound that cannot be easily separated by physical separation technique. <em>Examples of pure substances are iron, water, gold etc. </em>
  • Mixtures are made up of two or more substances that are not chemically combined together, in which each substance that make up the mixture still retains their chemical identity, and can separated by physical method. <em>Examples of mixtures are brass made up of different metals, salt water, milk etc. </em>
  • Elements are pure chemical substances that are made up of a single type of atom which cannot be easily broken down. <em>For example, hydrogen, oxygen, iron. </em>
  • Compounds are made up of two more different elements that are chemically bonded together by chemical bonds. <em>Examples include NaCl or salt, which is made up of Na and Cl; Water which is made up of Hydrogen and Oxygen </em>
  • Homogenous mixture contains substances of uniform composition, <em>e.g, air which consists of mixture of gases; a mixture of salt and water; milk etc. </em> Heterogenous mixture, on the other hand contains substances whose distribution are not uniform, i.e. non-uniform. <em>Examples are a mixture of sand and water; water and oil etc. </em>
  • Physical change is a type of change that involves the change of form of a matter without the chemical properties being altered. This is a reversible change. On the other hand, a chemical change is an irreversible change in which the chemical properties of a matter are changed.
  • <em>Examples of physical change are freezing of water, melting an ice cube, melting of wax etc.  </em>
  • <em>Examples of chemical change are burning of wood, rusting of iron etc</em>.
8 0
3 years ago
Yun is a free-lance writer who has undertaken a writing project where two different editors tell her what to do. sometimes, thes
NeX [460]

The answer is "Unity of command".

Unity of command<span> is an exemplary guideline of administration that is utilized as a part of numerous various leveled associations, for example, the military, government organizations, and enterprises. Unity of command<span> holds that a representative should just be responsible to one individual. The standard of Unity of command is a global concept varying from multinationals to small businesses.</span></span>

7 0
3 years ago
Consider a species of sparrow that originally lived only in Alaska but recently expanded its range through North America, then C
sergejj [24]

Answer and Explanation:

At the point when biological species moves from its local area to an all the more remotely found area or an area of various condition, it experiences mutational changes with course of adjustment to the new condition. This causes age of single nucleotide polymorphisms in the different loci of these species.

According to the information, the species of sparrow was native to Alaska but first moved to North America and then to South America through Central America. Since all these three geographical locations have very stringently different environmental conditions, the species of sparrow must have underwent acclimatization followed by adaptive changes leading to permanent alterations in its genome.

Hence, it is very likely that the native species from Alaska will have a very different phenotype as compared to that of the species now residing at all three places.

Conversely, since the environmental conditions of central and north America are somewhat comparable in nature, the species of sparrows in these areas will have least number of differences with respect to their genetic loci.

5 0
3 years ago
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