Explanation

The ultraviolent rays are filtered through Ozone Layer.

The ozone layer, often known as the ozone shield is a part of the Stratosphere.

ND12_8_2023

Explanation

Retinene is better known as retinaldehyde or simply retinal

and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina (known as the visual cycle)

rhodopsin, also called visual purple, pigment-containing sensory protein that converts light into an electrical signal.

Explanation

The inner layer is the retina, which lines the back two-thirds of the eyeball.

Explanation

ISA stands for International Solar Alliance.

Explanation

Passive voice: Did you do it on purpose?

Active voice: Was it done by you on purpose

 (was /were) + subject + V3 + Optional Agents.

Explanation

The president is elected indirectly through the Electoral College to a four-year term, along with the vice president. 

Explanation

The International Monetary Fund has proposed a $50 billion global vaccination plan for the world,

which aims to vaccinate at least 40% of the global population by the end of the year 2021.

The proposal for $50 billion is expected to be in the form of grants, Governmental resources, and concessional financing.

Explanation

TACIT کچھ کہے بغیر۔ خاموشی سے

Explanation

perimeter of square=4×side

=4×2.5

=10cm

SH5-9-2023

Explanation

 Common salt comprises sodium and chlorine.

Sweat consists of about 99% water,

0.2-0.5% salts mainly sodium chloride

and traces of urea (0.08%).