Answer:
1. physical and chemical barriers
2.non-specific innate response
3. specific adaptive responses
Explanation:
Answer:
c all matter will remain unchanged
Answer:
Regulation, Control, Coordination, Growth, Nutrient, Nutrition, Homeotasis
Answer:
हिंदी में खोजें
मानव द्वारा उपयोग किए जाने वाले चार विभिन्न प्राथमिक ऊर्जा संसाधनों की सूची बनाएं
<em><u>Crude oil, coal, wind and natural gas are all primary energy sources. Electricity is not a primary energy source, it's an energy currency (see electricity as an energy currency for an in depth discussion). Likewise, secondary fuels are also energy currencies and aren't primary energy sources, they must be made.</u></em>

Correct answer is true .
Carl ritter was actually not a proponent of the theory of environmental determinism.
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