Which valences have the greatest tendency to form ions? Why did you choose these answers? Explain. (multiple answers)
-3
+2
+4
-4
+1
+3
-1
-2

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.