Problem: - The plant roots begin to grow - Break apart the rock - The plant acids dissolve parts of the rock - The rocks are broken into more and more pieces - Erosion starts to occur. What might be the first step of the process?

A: A plant grows near or on a rock

Problem: - Mix the flour, sugar, egg, and water to make batter - Pour the mixture into a cake pan - Place the cake in the oven to cook - Take the cake out when it is cooked through - Let the cake cool - Serve the cake - What might be the first step of the process?

A: Gather the ingredients for the cake

Problem: - The hypothalamus in the brain sends a message to the body - Sweat glands in the skin receive the message - The sweat glands start combining water and chemicals to make sweat - The sweat leaves the skin through pores. What might be the first step of the process?

A: The body's temperature increases over 98.6 degrees F

Problem: - Embryo is C - Embryo grows and develops into a fetus inside the woman's womb - The fetus is born - Begins to grow and develop through infancy and childhood - In the teenage years the human experiences puberty - Reaches sexual maturity - At 18 the human becomes an adult - Adult may procreate continuing the cycle. What might be the first step of the process?

A:
A man and woman mate