The right option is; B. Global Warming
An unnatural temperature increase in the atmosphere near Earth's surface is called global warming.
Global warming is the observed prolonged rise in the average temperature of the earth's climate system. Global warming is an environmental problem that is observed by temperature measurements and by various influences of the warming. Global warming is caused by natural influences such as greenhouse gases, volcanic eruption, and human influences such as industrial revolution and deforestation.
Answer:
It transports the food generated by photosynthesis.
Explanation:
Phloem is a complex tissue which transports food to various parts of the plant.
Chloroplast generate food is generated by photosynthesis.
Chloroplasts are present in leaves which trap sunlight and prepare food.
This food should be transported to various parts like roots etc.
Xylem is a complex tissue which transport water through vessels.
Water is transported from roots to various parts of the plant through xylem.
Oxygen is taken from atmosphere and its absorbed by diffusion through stomata.
Answer:
: a hatred of argument, reasoning, or enlightenment.
C. be more susceptible to disease and famine.
this is because when a population experiences the bottleneck effect, the population is cut down significantly in size.