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Sveta_85 [38]
2 years ago
9

explain why the pollen grains and embryo sacs of flowers are considered the gametophyte generation in the alternation of generat

ions life cycle of angiosperms
Biology
1 answer:
podryga [215]2 years ago
3 0

Answer:

Both structures are multicellular, and they both reproduce using gametes.

Explanation:

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A computer simulation showing models of planes crashing is a good way to study the effects of plane safety.why?
MAXImum [283]

Answer:

Flight simulators are widely used for pilot training in the aviation industry, military pilot training, simulation of disasters or failures in flight, and aircraft development.

These simulations are used for pilot training, whose essential function is to train the crew in normal, abnormal and emergency procedures, before and during flight, practicing innumerable situations, such as: failures in electronic systems, loss of power, tailwinds and many others, which cannot be done safely with an aircraft in real situations. Explains to the new pilots the movements and attitudes of the ships, becoming a fundamental part of the training, saving lives and large economic losses.

These simulations allow knowing the causes of each plane crash in order to modify the operating procedures and training, so that its repetition is avoided. Flight safety investigations are complex and analyze numerous factors, and rather than investigating the persons responsible, it tries to find out the causes of the incident, considering human factors and technical issues.

7 0
3 years ago
What opportunities did urban neighborhoods provide to immigrants and African Americans, and what problems did these newcomers fa
Soloha48 [4]

Answer:

Immigrants may be defined as the individuals that comes from some other country but are the permanent resident of some other country. The individual might move for the jobs and education.

The immigrants might flock to the urban neighborhood and can settle on the basis of the their ethnicity. These neighborhood provide jobs to the immigrants and they had poor working conditions. The immigrants were underpaid. The mutual aid societies are formed in which immigrants pay dues and and the society pay for their elevation. The Americans and immigrants suffers from the pollution, crime and overpopulation.  

6 0
3 years ago
List the terrestrial planets. Recount the goldilocks theory with respect to these planets
mars1129 [50]

The terrestrial planets are Mercury, Venus, Earth, and Mars.

Here's the explanation in regards to the Goldilocks Theory.

The Goldilocks Theory is often used by astrologists to describe the conditions of Earth's positioning in the solar system. The Goldilocks Zone was described by Stephen Hawking as "like Goldilocks, the development of intelligent life requires that planetary temperatures be ‘just right’” The Goldilocks theory argues that a planet must be neither too far away from nor too close to a star and galactic center to support life, while either extreme would result in a planet incapable of supporting life. Terrestrial planets such as Mercury, Venus, Earth, and Mars are more likely  to lie in the Goldilocks zone due to their close proximity to their home star along with other crucial factors that allow for life to exist.

7 0
3 years ago
Earthquakes typically have
timofeeve [1]
The best answer is "foreshocks before the quake and aftershocks after the quake".

These terms are used to characterise the events of an earthquake over time. Foreshocks are small shocks that can occur before the main seismic event. Aftershocks, like foreshocks, are smaller seismic events that can occur after the main seismic event. 
4 0
3 years ago
How does water enter a plant? *
telo118 [61]
Water enters a plant from the roots absorbing the water from the soil.

hope this helps !
3 0
2 years ago
Read 2 more answers
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