Which of the following is the best example of chemical weathering? limestone rocks dissolving in water plant roots growing through concrete and splitting it waves carrying sand away from a beach a large rock splitting into pieces because of ice

Identify the main component f natural gas

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?