Explanation

Temperature, pressure, and humidity can also have secondary effects on the speed of sound in a medium,

density and elasticity are the primary factors.

Explanation

Shoes resist the earth.

When you walk, the friction between the soles of your shoes and the ground prevents slipping and allows you to move forward.

The grip provided by the shoes helps you resist the resistance offered by the earth's surface,

which can vary depending on factors like terrain and weather conditions.

Explanation

Jellyfish have no skeleton.

Jellyfish are free-swimming marine animals with a gelatinous bell and trailing tentacles. 

Explanation

The primary diet of wild pandas is bamboo. 

Giant pandas are herbivores and eat almost exclusively bamboo shoots and leaves.

Explanation

- 1 electron volt (eV) is a unit of energy commonly used in atomic and particle physics.  

- It is the energy gained or lost by an electron when it moves through a potential difference of 1 volt.  

- 1 eV = 1.6 × 10⁻¹⁹ Joules.  

- It helps measure very small energy changes at the atomic scale.

Explanation

An odometer or odograph is an instrument

for measuring the distance travelled by a vehicle.

Explanation

During charge, the positive electrode is an anode,

and the negative electrode is a cathode.

Explanation

 The full form of RDX is Royal Demolition Explosive.

It was first reported in 1898 by Georg Friedrich Henning

who obtained a German patent for its manufacturing by nitrolysis or hexamine.

It is also known as cyclonite or hexogen.

The chemical name for RDX is 1,3,5-trinitro-1,3,5-triazine.

Explanation

Epiphytes are plants that grow on other plants for physical support,

without obtaining benefits or causing harm to the host plant.

Parasites are organisms which live on or in other organisms and obtain nutrients from the host organisms.

Epiphytes depend on the host for physical support.

Explanation

Soil fertility is the ability of a soil to sustain agricultural plant growth.

It is maintained without addition of nutrition due to microbial activity.

Microbes increase the amount of nutrients in soil available for plants.