Sugar is made of carbon, hydrogen, and oxygen atoms. Sugar is A
a compound because its parts cannot be separated through physical means.

B
an element because it is a pure substance whose parts cannot be separated.

C
a mixture because it is made of different kinds of atoms.

D
a solution because it dissolves when mixed with water.

Matter is everything that surrounds us. It has mass and occupies a place in space. Matter can be described by measuring the value of its properties; for example: density, color, mass, volume, etc.

al ser homogenea no se puede percibir con la vista pero si se le agrega acido sulfurico la reaccion hara que el hidrogeno y el oxigeno se evaporen dejando unicamente una masa negra de carbono

No, ya que, es una mezcla homogénea, es decir,  sus elementos están muy unidos mas no combinados de manera química, es posible separarlos pero con mucha dificultad, por tanto, es imposible diferenciarlos a simple vista. Se sabe que están distribuidos de manera uniforme, su estado es conocido como solución o disolución, tal como es el caso del azúcar.

Explanation:

I hope my answer serves you and that it is to your liking please give me cornita: 3

the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.