Read the information below and answer the question.

Spring

We see weather changes along with new animal and plant life in the Spring.

Spring is a season that comes after winter and before summer. The weather is not as cold as in winter.

The sun rises earlier in the morning and sets later in the afternoon during Spring. The months when Spring occurs in the U.S. are March through May.

Flowers bloom in Spring and trees have new leaves. Many people grow flowers and vegetables during this season.

Animals also have babies during Spring. Birds and rabbits can be seen more outside.

Which is the topic sentence in the writing?