9 Which chemical reaction involves the fewest oxygen atoms! ->
A
Ag, S04 + 2KNO
2AgNO, + k_50
4Fe(OH)3
B
4Fe + 6H,+ 302
с
600, + 6H,0 - CH20 + 602
2002 + 2H,0
D
C₂H₂ + 30₂
acolo in lonso di dunia
in bogood quem o nombor
Londont non not

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

The most effective way to provide children with safety messages is to

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?