Answer: Please refer to Explanation
Explanation:
Stream - A series of connected channels that fills with water.
Rill - A small groove in soil created by runoff.
Gully - A channel of connected grooves created by runoff.
- Occurs when rills get bigger due to more runoff and then connect to become even bigger.
Tributary - One of many channels that connect to form a river.
- Tributaries feed rivers but never the open sea.
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Answer:
The polar bear is an animal which is prevalent in the arctic region of the world which is characterized by very cold icy climate.
They adapt to these climatic conditions by maintaining a body temperature of 37°C through its thick fur and tough skin. It also has an insulating fat layer (adipose tissues) which is very thick.
This insulation helps in keeping the animal very warm in extreme temperatures.
Scientists recently discovered that there is this specific gene called "Pitx1" that is responsible for the less of pelvic spines in animals 15,000 years ago. Among the most common example of the animals affected by this gene is are the freshwater skittlebacks.
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Answer:
First question - Green curve
Second question - Red curve
Explanation:
