Look at the food chain.
А
B
C
D
Use the drop-down menus to logically construct a food chain.
A
B
snake
C
rabbit
D
hawk
grass

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?