You are given a question and three statements. Identify which of the statements is/are necessary/sufficient to answer the question. Question:
K, F, M and T are standing in a queue. Based on the following information, can we tell who is standing in the second place if we arrange shortest to tallest?
Statements:
1. F is the tallest.
2. K is taller than T.
3. T is the shortest.
Statement 1 and 2 together are sufficient
Statement 1 and 3 are sufficient to solve.
The statements are insufficient.
Statements 1, 2, 3 alone are enough to solve

Based on the given graph, what is the percentage change in COâ‚‚ concentration from year 1995 to 2015?