Design an app that relates to AClDS & BASES. Draw, color and name the app. In the space next to the device provide the following: 1.Brief description of the app including what it is used for?
2.Cost?
3.Who would use it?
4. Describe the measure it uses to determine whether an AClD, BASE, or Neutral substance?

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.

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

Jill is pushing a box across the floor. which represents the upward force perpendicular to the floor? a) fp b) ff c) fn d) fg