Answer:
Carbohydrates are foods that get converted into glucose, or sugar, in our bodies during digestion. Glucose is a main source of fuel for our body.
Explanation:
Answer: Option (C)
Explanation: The rocks at the continental crust are present since a long time, and the oldest rocks so far encountered from the continental crust is approximately 4.4 billion years old.
This has been determined by the Uranium-Lead dating method (Ur₂₃₈-Pb₂₀₆).
Oceanic rocks are estimated to be of very recent age i.e about only 180 million years old.
Correct answer: B). Food and fossil fuels
The energy can not be created nor destroyed but it can be transformed into another form. The ultimate source of energy on this planet is the sun, the sun provides sunlight where sunlight is converted into chemical energy, which is used by plants to prepare food. Then we consume food prepared by plants to get energy and perform various types of work like movement, reproduction, growth etc. In this, the chemical energy is converted into mechanical energy.
Answer:
land salinization
Explanation:
land salinization- forms by water, soil, and salt
heat absorption
- heat
heat distribution- heat
land buoyancy- venous return
Hope this helps... sooooo sorry if I got it wrong, I'm only trying to help. Good luck :)
