Aluminum,copper and iron are example of what?

Which one does not describes a solution?

Which of the following substance is an element?

A solution that contains large amount of dissolved solute for a certain volume of solvent.

At which smallest level of organization in an organism can the characteristics of life be carried out?

It is the apparatus used to observe and study minute particles.

Which of the following would most likely transmit sound best?

The straight line connecting the initial position taken by the object to its final position.

Which of the following objects will produce sound?

It is the total length travelled by the object that undergoes motion.

It is the lines found in the globe which is parallel to each other.

It is a type of natural resources that takes a shorter time in order to form because it is always available and can be recycled

It is at 180°longitude and serves as the basis for the changing of time.

Which properties do not belong to the group?

Type of reproduction wherein two parents produce offspring that have unique combinations of genes.

Type of reproduction wherein two parents produce offspring that have unique combinations of genes.

Which properties do not belong to the group?

It is a type of natural resources that takes a shorter time in order to form because it is always available and can be recycled