Which activity is the best demonstration of j.j. Thomsons use of creativity in his work?

Answers

Answer 1

Answer:

The activity which is the best demonstration of Joseph John Thomson's use of creativity in his work when he devised a better method and equipment in studying cathode rays. This activity led to the discovery of originally termed particles “corpuscles” which are now known as “elections”. This discovery also upended the dominating theory that atoms are the smallest fundamental unit.

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A chemical substance required by the body is called
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which level of biological classification is the lowest level that butterflies and dogs have in common ?

Answers

phylum .....................

Answer:

Kingdom

Explanation:

I got it right :)

List the layers of Earth’s atmosphere in order of increasing altitude.A.
troposphere, stratosphere, mesosphere, thermosphere, exosphere

B.
exosphere, thermosphere, mesosphere, stratosphere, troposphere

C.
troposphere, stratosphere, mesosphere, exosphere, thermosphere

D.
stratosphere, mesosphere, thermosphere, exosphere, troposphere

Answers

Answer:

Explanation:

It is the correct answer

Answer:

The answer is A.

Explanation:

In order to stimulate an effector in a toe, which pathway does a nerve impulse follow after it is initiated at a receptor?A. sensory neuron -> interneuron -> motor neuron
B. motor neuron -> interneuron -> sensory neuron
C. interneuron -> sensory neuron -> motor neuron
D. None of these

Answers

Answer:sensory nuerone to internuerone to motor neurones

Explanation:

The sensory nuerone usually receive inputs from the receptors cells in the skin,organs,and other parts of the body.

These receptors send signals as action potential to the spinal cord to the brain.(CNS).

Synapse take place at the synaptic junctions, in the spinal cord with the internuerone.

The latter transmit the action potential to the motor neuron which synapse with the internuerone and transmita signal to the neuromuscular junction where it synapse with the muscels at the toe.

The action potentials causes influx of calcium ions and the relase of acetylcholine neurotransmitters for action potential to reach the toe muscles (effector)for contraction

How do you locate an epicenter of an earthquake?

Answers

Scientists called geologists use seismometers to calculate the exact location of the epicentre of an earthquake. If the speed of the waves are known from the quake, the time can be recorded that they reach multiple places. By using speed x time = distance , they can calculate the exact location of the epicentre as long as they have 3 or more recording stations. it works on the same principle as GPS

Which of the following explains why the heart is organized so that it pumps blood to two different locations? a.to supply blood to two different sides of the body b.to allow a way for the blood to pick up new blood cells c.to move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body d.to provide a way for blood to pick up nutrients at one location and oxygen at another

Answers

Im pretty sure that it is (A) because blood pumps to get every where through your body. If it didn't one half of your body would feel cold or numb.

The answer is C, I just had this question-

C. To move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body

______________ is the distance between two peaks or crests.
Wavelength
Amplitude

Answers

Wavelength is the distance b/w two peaks or crest.

Amplitude the the height of disturbance.

Answer:

Wavelength

Explanation:

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Place or object used for comparison to determine if something is in motion