Answer: Option 3
Explanation: Sound waves cannot travel in space because space is a vacuum, and sound waves require a medium to travel.
Furthermore, sound waves belong to the class of waves called MECHANICAL WAVES: as they require a material medium for their propagation
Options 1, 2 and 4 are inaccurate
Answer:
external force.
Explanation:
According to newton's first law of motion ( and also according to laws of relativistic motio) a stationary object that cannot move unless it is acted upon a external force.
Answer:
The answer is:
verbally report that a cat was seen
write the word cat using their left hand
Explanation:
"Split-brain" is<em> a condition of having "two brains" in one body.</em> This is also known as "callosal syndrome." This happens when a person experiences seizure and in order to control it, the "corpus callosum" (divides the lobes into left and right hemispheres) is being severed. Once it is severed, the hemispheres will function as a <em>separated brain.</em> This treatment is only done as a last resort.
The person who has a split-brain will have two separate perceptions and impulses of things.
In the situation above, the patient is shown a picture of a cat in the right visual field. This means that the image of the cat will be sent to his left hemisphere. Left hemisphere is more active when it comes to the production of speech, thus the patient will be able to verbally report that a cat was seen. (thus, this explains the answer).
Since the left hemisphere is also responsible for "writing," then he can also write the word "cat" using his left hand. (thus, this explains the answer)
Answer:
A. Plants will only flower during long day periods when the day length exceeds their necessary photoperiod
Explanation:
Photoperiodism is a phenomenon that refers to the response of an organism to the length of day. This phenomenon causes a physiological change in the organisms involved (plants or animals). However, the best studied example of change caused by photoperiodism is that of FLOWERING IN PLANTS.
Different plants flower at different times in response to the day length. Certain plants called LONG DAY PLANTS e.g. spinach and potato etc only flower when the length of day exceeds their photoperiod (threshold), which is usually 12 hours. These plants require very short periods of darkness to flower.
Hence, according to the question, FLOWERING response in plants is the best explanation to describe photoperiodism.
Answer:
Please read the explanation section.
Explanation:
They are called polymers because they contain many small, repeating sub-units bonded together.
In the chemical and biological science, some small molecules make a polymer, which is a molecule. A polymer is that kind of molecule, which is the result of binding up between smaller molecules called monomers.
A monomer is a type of polymer that is resulting from the assembly of many small units that are similar in nature. A monomer has a chemical compound with repetitive structural units. A polymer is a molecule made up of a chain of similar molecules, called
E.g., DNA, glycogen, amino acid, and proteins are polymers
