Answer: 1.A food web is multiple food chains and an energy pyramid shows how energy moves through trophic levels.
Explanation:
Answer:
A
Explanation:
Thick clouds can trap lots of heat. This has a warming effect on earth.
The Sun is the primary source of energy for Earth's climate system is the first of seven Essential Principles of Climate Sciences.
Principle 1 sets the stage for understanding Earth's climate system and energy balances.
The Sun warms the planet, drives the hydrologic cycle, and makes life on Earth possible.
Answer:
Option (E).
Explanation:
The cell membrane constitute the phospholipid bilayer, proteins and small amounts of carbohydrates. The unsaturated fatty acids contain the double and triple bond in its structure.
The introduction of double bond introduces the kink in its structure and makes the membrane less rigid. This prevents the packaging of the lipid tightly and makes the membrane more permeable. This makes the membrane more fluid even at the lower temperature.
Thus, the correct answer is option (E).
Answer:
True.
Explanation:
Non-polar Covalent bonds have one half of the atom that incorporates a net negative charge whereas the other half keeps up a positive charge
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