Explanation

• The sentence should read: "No one knows what color dinosaurs were because no sample of their skin has survived."
• کوئی نہیں جانتا ہے کہ ڈایناسور کیا رنگ تھے کیونکہ ان کی جلد کا کوئی نمونہ زندہ نہیں بچا ہے۔
• "Because" is a subordinating conjunction used to introduce a dependent clause that provides a reason or explanation for the main clause.
• In this case, the lack of surviving skin samples is the reason why we don't know the color of dinosaurs.

Explanation

Explanation

Explanation

Wild Komodo dragons are found only on Indonesia's Lesser Sunda Islands.

They are powerful-looking reptiles with wide, flat heads, rounded snouts, bowed legs, and huge, muscular tails.

They have a clumsy, back-and-forth walk, and their yellow tongues flick in and out constantly.

Explanation

Explanation

Explanation

The phrase "with regard to" is used to reference something specific.

So "With regard to his principles, he has to be very careful" is the correct form.

اپنے اصولوں کے حوالے سے اسے بہت محتاط رہنا پڑتا ہے۔

Explanation

The Mutation theory was proposed by Hugo de Vries.

Hugo Marie de Vries was a botanist from the Netherlands.

Explanation

Abate means کم

Lessen means کم

Explanation

DEXTEROUS means ہنر مند

Inexpert means ناتجربہ کار