Cual de los siguientes planetas gira en menor tiempo: a)mercurio b)venus c)marte d)saturno

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25

Can someone me answer all the questions?

The industrial revolution began in great britain for a number of reasons. two advantages great britain had which were necessary for industrialization were a. raw materials and a large workforce. b. unstable politics and a small landmass. c. abundant land and a small population. d. private wealth and a strong military.