MCQ
The force of attraction between two unit point masses separated by a unit distance is called:
- AGravitational potential.
- BAcceleration due to gravity.
- CGravitational field strength.
- ✓Universal gravitational constant.
The force of attraction between two unit point masses separated by a unit distance is called:
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The skin is devoid of scales in:
A cell placed in solution swells up. The solution is:
Cell inclusions are:
Parenchyma: Simple: Phloem: ___________.