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100
what is the approximate speed of light in m/s ?

The speed of light in a vacuum is approximately 300,000,000 meters per second (m/s).

100

what is the formula of water?

H2O

100

What is the purpose of waste management?

To minimize waste and manage disposal in an environmentally safe way.

100
what is the powerhouse of the cell?
mitochondria
100

6+ 4 / 2

8

200

how much time does light take to reach Earth from the sun in seconds?

500 seconds

200

name alcohol with one carbon.

methanol

200

What are green technologies?

Technologies that use resources efficiently and reduce environmental impact.

200

What is sometimes called animal starch?

Glycogen

200

how many prime numbers are even?

1

300

what two factors affect gravity?

distance and mass

300

what is the atomic number of gold ?

79

300

What is an environmental audit?

Review of a company's environmental impact.

300

What is the name given to the jellylike substance filling the chamber behind the lens of the human eye?

Vitreous Body

300

A square matrix that has all zeros below the main diagonal is called ?

UPPER TRIANGULAR

400

What is the difference between elastic and inelastic collisions?

Elastic collisions: Momentum and kinetic energy are conserved.

Inelastic collisions: Momentum is conserved, but kinetic energy is not. 

400

Methanoic acid reacts with propanol what is the name of the ester formed

propyl methanoate

400

name three compounds that cause acid rain.

  • Sulfur dioxide (SO₂)
  • Nitrogen oxides (NOx)
  • Carbon dioxide (CO₂)
400

What is the role of enzymes in biochemical reactions?

Enzymes are biological catalysts that speed up biochemical reactions by lowering the activation energy, allowing reactions to occur faster without being consumed in the process.

400

A wheel is rolling without slipping on a flat surface. If the diameter of the wheel is 1

meter, how far does the hub of the wheel move when the wheel turns once?


pi METERS or 3.14 METERS

500

how many quarks does a proton have, and what is their flavor?

A proton consists of three quarks: two up quarks and one down quark.

500

what is the Difference between polar and nonpolar bonds?

  • Polar covalent bonds: Electrons are shared unequally due to a significant electronegativity difference, creating partial charges (e.g., H₂O).
  • Nonpolar covalent bonds: Electrons are shared equally due to similar electronegativities (e.g., H₂).
500

Name three pollutants that contribute to eutrophication.

  • Nitrogen compounds
  • Phosphorus compounds
  • Ammonia (NH₃)
500

What is the term given to enzymes whose action is modulated by binding of a molecule to a site other than the active site?

Allosteric Enzymes

500

What is the value of the integral if the limits are e , 1

1/u into du  . Solve

1