input question: What is the missing first step of the following process: - The remains of the plant are buried very fast in sediment - The soft parts of the plant decay - The hard parts of the plant are replaced with minerals - The sediment turns into rock - The rock erodes - The fossil appears on the surface of the ground.???
output answer: A plant dies

input question: What is the missing first step of the following process: - The liver produces bile - The liver produces proteins for blood plasma - The liver converts excess glucose into glycogen for storage - The liver converts ammonia to urea - The liver regulates blood clotting.???
output answer: The liver filters blood from the digestive tract

input question: What is the missing first step of the following process: - Sunlight is gathered by the leaves of the plant - The sunlight is broken down into glucose through photosynthesis - The glucose travels the plant - The plant uses that glucose as energy to grow.???
output answer: Green is a color that gathers sunlight easily

input question: What is the missing first step of the following process: - Is exposed to air - A chemical reaction occurs - The iron starts to oxidize - The iron starts to rust.???
output answer:
Iron is exposed to oxygen