Explanation

The additive identity of a real number is zero (0).

This means that when you add zero to any real number, the result is the original number itself.

For example, 5 + 0 = 5, and -3 + 0 = -3. 

Explanation

Diligent means محنتی

Lazy means سست

Explanation

Generous means سخی

Selfish means خود غرضی

Stingy means کنجوس

Greedy means لالچی

Explanation

In Mendel's pea plant experiments,

When he crossed purebred pea plants with contrasting traits (like purple and white flowers),

The F1 generation offspring all exhibited the dominant trait (purple flowers in this case).

The recessive trait (white flowers) disappeared in the F1 generation but reappeared in the F2 generation when the F1 plants self-fertilized. T

his reappearance of the recessive trait in the F2 generation confirmed that the recessive allele was still present in the F1 generation, just masked by the dominant allele. 

Explanation

Options B and C both are correct because 

 the singular noun "cat" with the singular verb "sleeping"

the plural noun cat" with the plural verb "sleeping"

Note:

Subjects and verbs always have to agree with each other.

A singular subject must take a singular verb.

Explanation

Chloroform, or trichloromethane, is an organic compound with the formula CHCl₃.

It is a colorless, sweet-smelling, dense liquid that is produced on a large scale as a precursor to PTFE.

Explanation

P and V graph at constant temperature, 

PV=nRT⟹ ideal gas equation.

PV=C 2 

xy=C 2  from hyperbola.

Explanation

"Quickly, before the rain started" This is an incomplete sentence,

A fragment is a “piece” (or part) of a sentence because it is missing information to make a complete sentence.

A sentence fragment is missing a subject, a verb, OR a complete idea.

Explanation

Essa is younger than Moosa.

X = Twice Essa's age

Y= Moosa's age

Which of the following is true about this information?

A) X > Y

B) Y > X

C) X = Y

D) The relationship cannot be determined

Explanation

Mitochondrial DNA is the circular chromosome 

The mitochondrial genome is built of 16,569 DNA base pairs

The mtDNA is double-stranded.

It contains 37 genes that encode 13 proteins, 22 tRNAs, and 2 rRNAs.

These organelles, found in all eukaryotic cells, are the powerhouse of the cell.

Additional information:

The nuclear DNA is linear

The nuclear genome is made of 3.3 billion DNA base pairs.