What is the missing first step of the following process: - Carbon dioxide from the burning fossil fuels enter the atmosphere - The make-up of the atmosphere changes - Some energy from the sun cannot escape back through the changed atmosphere - The earth begins to heat because of the extra trapped energy - Human beings cut down trees - Human beings do not re-plant the trees - Trees cannot help take the extra carbon dioxide from the atmosphere - The extra trapped energy starts to change the earth's short term weather - Eventually the long-term climate patterns start to change -
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Answer: Human beings burn fossil fuels (oil, gas, etc.)

Q: What is the missing first step of the following process: - Bacteria start to divide and grow - The uncontrolled growth takes away resources from other cells - Other cells cannot function properly - We feel unwell - The growth and division of bacteria produce toxins - Toxins harm the body - The body tries to react to the toxins - The body's natural defenses can sometimes cause us to feel unwell.
A: Bacteria enter the body

Question: What is the missing first step of the following process: - The lungs remove oxygen from the air - Oxygen diffuses from alveoli in the lungs to the bloodstream - Hemoglobin in red blood cells attaches to the oxygen - Red blood cells carry oxygen all around the body - Oxygen diffuses into cells from capillaries.
Answer: Air goes into the lungs

[Q]: What is the missing first step of the following process: - The cold water forms ice crystals - The ice crystals grow by absorbing surrounding water droplets - Form snowflakes - The snowflakes fall to the ground.
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[A]: Water in the clouds becomes very cold

input: Please answer the following: What is the missing first step of the following process: - The roots of the growing plants start to break up the rock - The plant acids dissolve the rock - The rock is broken down into smaller pieces - Erosion begins.
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output: Plants start growing on or near the rocks

What is the missing first step of the following process: - The lungs have a series of smaller and finer tubes and sacs - Air reaches the smallest and finest air sacs called alveoli - Oxygen travels from the alveoli into the blood - Oxygen-rich blood is carried to the heart - Oxygen-rich blood is pumped throughout the body by the heart - Cells take in the oxygen rich blood and release carbon dioxide rich blood - The carbon dioxide rich blood travels to the lungs - Carbon dioxide travels through the throat and is exhaled.
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Answer:
Air enters the nose or mouth and travels through the windpipe into the lungs