Explanation

Borazine, also known as borazole, has the chemical formula B₃H₆N₃.

It is a compound that resembles benzene in structure but with alternating boron and nitrogen atoms in the ring, along with hydrogen atoms. 

Explanation

Osmium is the densest naturally occurring element, with a density of approximately 22.59 g/cm³.

This makes it the highest density transition element, far exceeding the densities of elements like mercury and zinc.

Explanation

Detail: In the sentence "He seems to like it," the verb "seems" functions as a linking verb That connects the subject "He" to the infinitive phrase "to like it,"

Which describes the subject's state or condition.

Linking verbs do not show action but rather link the subject to a description or state.

Explanation

On January 1, 2019, Qatar officially withdrew from the OPEC

OPEC stands for Organization of the Petroleum Exporting Countries.

 It was founded on 14th September 1960 in Baghdad.

 It consists of 15 member countries.

The headquarter of OPEC is located in Vienna

Explanation

The Nikah khutba (marriage sermon) of Hazrat Muhammad SAW and Hazrat Khadija RA was performed by Hazrat Abu Talib (RA).

He was the uncle of the Prophet Muhammad SAW.

He was acted as the guardian during the marriage.

Explanation

Myths خرافات

"Myths" fits best because myths are false beliefs or stories, making them the opposite of realities.

Explanation

 Incorrect use of compound adjectives The teacher gave us a lot of hard to solve problems.

• Explanation: A compound adjective should be hyphenated when it precedes the noun: "hard-to-solve problems." Correct: The teacher gave us a lot of hard-to-solve problems.

Explanation

The correct prepositions are "on" for something placed at or near a surface, such as "on the square," and "under" for something physically below another thing, such as "under the library."

Explanation

When crossing CC (homozygous dominant) with Cc (heterozygous), the possible genotypes of the offspring are:

CC (from C and C)

Cc (from C and c)

The genotype distribution is:

CC: 50% (or 1/2)

Cc: 50% (or 1/2)

So, the proportion of homozygous dominant (CC) offspring is 1/2.

Explanation

The idea that characteristics acquired or lost during an organism's lifetime can be passed down to its descendants was proposed by Jean-Baptiste Lamarck.

This concept is part of Lamarck's theory of inheritance of acquired characteristics.