21 POINTS

What Do You Already Know about Density? Material Design. Number each material and sort the items in order from lowest (1) to highest (7) Density.
-Chalk
-Copper
-Flour
-Dry Beans
-Talcum Powder
-Wax
-Wet Sand

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.