Explanation

Curse means لعنت

Malediction means بدکاری

Evil means برائی

Explanation

The nephron is the structural and functional unit of the kidney.

Renal Corpuscle:

This is the initial filtering unit. 

Glomerulus:

A network of tiny blood vessels that filters blood, allowing small molecules, waste, and fluid to pass into the tubule. 

Bowman's Capsule:

A cup-shaped structure that surrounds the glomerulus and collects the filtered fluid. 

Renal Tubule:

An epithelial tube extending from the Bowman's capsule where reabsorption and secretion occur. 

How it Works 

Filtration:

Blood enters the glomerulus, where its smaller components are filtered into the Bowman's capsule.

Reabsorption:

As the filtered fluid moves through the renal tubule, essential substances (water, minerals, nutrients) are reabsorbed into the bloodstream.

Waste Concentration:

The remaining fluid, now concentrated with wastes and excess water, becomes urine.

Explanation

As this diagram shows, pH ranges from 0 to 14, with 7 being neutral.

pH less than 7 are acidic.

pH greater than 7 are alkaline.

Explanation

An atomic bomb is based on the nuclear reaction known as nuclear fission,

A heavy atomic nucleus splits into two or more lighter nuclei, releasing a large amount of energy in an uncontrolled chain reaction.

The bombs dropped on Hiroshima and Nagasaki were examples of nuclear fission bombs, utilizing uranium-235 or plutonium-239 as the fissionable material. 

Explanation

"Combustion of methane" is an example of an exothermic reaction. 

Photosynthesis:

This is an endothermic reaction, meaning it absorbs energy from sunlight to produce glucose. 

Decomposition of calcium carbonate:

This is also an endothermic reaction, as it requires energy to break down calcium carbonate into calcium oxide and carbon dioxide. 

Electrolysis of water:

This is an endothermic reaction where electricity is used to split water into hydrogen and oxygen. 

Explanation

The oxidation of secondary alcohols produces ketones.

This reaction involves the loss of a hydrogen atom from the hydroxyl (-OH) group and a hydrogen atom from the alpha carbon (the carbon atom bonded to the -OH group),

Forming a double bond between the alpha carbon and the oxygen atom.  

Explanation

Gram-positive bacteria have a thick layer of peptidoglycan but lack the outer membrane containing lipopolysaccharides, which is characteristic of Gram-negative bacteria. 

Additional information:

Peptidoglycan: Gram-positive bacteria are defined by their thick layer of peptidoglycan. 

Cell wall: Gram-positive bacteria possess a cell wall composed primarily of peptidoglycan. 

Capsule: While not a defining feature of Gram-positivity, some Gram-positive bacteria can have a capsule.

Explanation

 In a capacitive circuit, the current leads the voltage. The phase difference between the two is 90°. 

Remember the relationship

A common mnemonic to remember the phase relationship in AC circuits is "ELI the ICE man": 

ELI: In an Electric circuit with an Load (inductor), the voltage (E) leads the current (I).

ICE: In a circuit with a Capacitor, the current (I) leads the voltage (E). 

Explanation

Herbivores:

An herbivore is an organism that feeds primarily or exclusively on plants and plant matter. 

Examples: Cows, sheep, and elephants. 

Carnivores:

A carnivore is an animal that eats only meat or the flesh of other animals. 

Examples: Lions, tigers, and hyenas. 

Omnivores:

An omnivore consumes a variety of materials, including both plants and animals. 

Examples: Humans, bears, and some ants. 

Explanation

An electric circuit is a closed path through which electric current flows.

It enabling the transfer of electrical energy.

Electric current is measured in amperes using an ammeter.