A materials scientist tested two forms of Epsom salt under different conditions to see which would dissolve the fastest. The test information is displayed in this table.

Sample Mass Form Water temperature
A 50 grams ground crystals 30ºC
B 100 grams crystals 20ºC
C 50 grams ground crystals 20ºC
D 100 grams crystals 30ºC

Which sample of Epsom salt would you expect to dissolve the fastest?
A. A
B. B
C. C
D. D

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.