Please answer this: What is the missing first step of the following process: - There is a lot of pressure on the Sun - The pressure forces atoms of hydrogen to fuse together in nuclear reactions - The energy from the reactions gives off different kinds of light - The light travels to the Earth.
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Answer: The gravity of the sun pulls its mass inward

Problem: What is the missing first step of the following process: - Centrioles separate to move to opposite poles - Metaphase, the chromosomes line up in the center - Anaphase, the chromatids separate - Are pulled apart - Telophase, the chromosomes gather at opposite poles - Two new nuclear membranes form - The cell membranes pinch - Divide into two individual cells -

A: Prophase, the chromosomes become visible

Problem: Given the question: What is the missing first step of the following process: - A group of people work to design a satellite capable of accomplishing the need - A team designs the physical structure of the satellite - A crew builds the physical satellite - The satellite is packed into a capsule - The satellite capsule is loaded onto a rocket - The rocket is launched into space.
++++++++++++++++++++++++++++++++
The answer is:
A satellite's need is determined

input question: What is the missing first step of the following process: - The sound travels in waves, as sound does - The sound 'bounces' off of a nearby object - The sound wave returns to the bat - The bat hears the echoed sound - Folds in the bat's ear and adaptations in the bat's brain enable it to determine the size, shape, and position of the other object via the properties of the returned sound waves - Other animals use echolocation in generally similar ways -???
output answer: Bats and other animals produce a high-pitched tone

What is the missing first step of the following process: - The pollution negatively affects the water quality - The pollution negatively affects the health of plants and animals - The plants and animals have shorter, less healthy lives - The plants and animals do not reproduce very well - The number of plants and animals decreases over time - The quality of water gets worse and worse as there are no plants or animals to clean it - Eventually there is nothing living in the water and it is unusable -
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Answer: Pollution enters natural water sources such as rivers and lakes

Q: What is the missing first step of the following process: - The water is poured into the machine at the back - Coffee beans are put into a grinder - The grinder is activated - A filter is put into the coffee maker - The ground coffee is put into the filter - Sometimes a bit of salt is added to the grounds to bring out flavor - The top of the machine is closed - The power is turned on - The water passes through the grounds and becomes coffee.
A:
The carafe is filled with water