Which of the following quantities for an object should be known to calculate its density? (5 points) The space it occupies The heat present in it The force of gravity acting on the object How long it takes for an object to travel a certain distance

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.