Which solution is a homogeneous mixture Sand and water
Salt and water
Salad dressing
Soil

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong