Question
All animals are:
- Parasitic
- Saprophytic
- Autotrophic
- Heterotrophic
All animals are:
Explanation:
The animals eat plant and animal products for their survival and are thus heterotrophic in nature.
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Two particles are placed at some distance from each other. If, keeping the distance between them unchanged, the mass of each of the two particles is doubled, the value of gravitational force between them will become:
$\frac{1}{4}\text{times}$
$\frac{1}{2}\text{times}$
$4\text{ times}$
$2\text{ times}$