Two parents with blood group B had three children with blood group O, What are the genotypes of both parents?

Chlorine has 17 electrons.
Draw the electronic configuration and then determine which group does it belong to?

What is the net force on a box being pulled to the right by 10 N and to the left by 7 N . Mention the value of the force and the direction.

Name the TYPE of organism that is in the 2nd trophic level in a food chain.

Egg,____,____,____, Baby
Egg in the ovary, baby when born, Name the other 3 stages which it goes through.

What is the process used to coat boats with zinc?

How does the position of the sun differ in summer than in winter?

Give an example of a discontinuous variation.

Name 2 traits that can be environmentally affected.

Name 2 models used to explain the flow of current in electric circuits.

What is the difference between Geocentric and heliocentric models?

Name the compound that contains zinc and oxygen

What do we call the process of removing Sulfur dioxide released from factories using catalytic converters?

What is the equation for measuring energy?

What is happening when the moon, the sun, and the earth align together where the moon is in the middle?

Name 3 elements found in the compound Calcium sulfate

Name 2 of Rutherford's findings that help to locate the nucleus.

Name 2 energy converters.

What is the only process in a carbon cycle that consumes carbon dioxide from the atmosphere?

Define Diffusion