Question

1. which of the following is a homogeneous mixture?

salt water
beef stew
sand and water
soil

Explanation:

A homogeneous mixture has a uniform composition throughout. Salt water has salt dissolved uniformly in water. Beef stew has chunks of meat, vegetables etc. which are not uniformly distributed. Sand and water separate over time (sand settles at the bottom). Soil has various components like minerals, organic matter etc. which are not uniformly mixed.

Answer:

salt water