Homogeneous mixtures have components

a. that are usually large enough to be seen with the naked eye

b. that are not distributed evenly throughout the mixture

c. that are evenly distributed all the way down to the particles, whether atoms, molecules, or ions.

d. that are always elemental pure substances

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough