URGENT PLZ ANSWER In order for natural selection to take place, it's enough for an offspring to survive and then pass away due to old age

A) True
B) False

When organisms are classified ,they are given a two part name

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.

Which of these statements are true about scientific theories and hypothesis