Oxygen is the most essential element.
Mars, Because they found water like flow patterns like found on Earth, Water is an essential ingredient for life.
Mars
The planet that most resembles Earth in many factors is Mars. However, no planet most resembles the Earth in all factors.
earth..The most habitable planet in the Solar System is Earth. As of June 2014, Earth is the only planet that has sustained known living things.
Iron
The most metallic element on the planet is Francium. It is the last element to be discovered that was not made synthetically.
Oxygen is the most essential element in Earth's atmosphere for human life. It is needed for cellular respiration, the process by which our cells generate energy. Without oxygen, humans would not be able to survive.
Earth is the planet with the most life forms.
Mercury is the most iron-rich planet in the solar system.
The most common elements, in order, are carbon, hydrogen, oxygen, nitrogen, phosphorous, sulphur.
Lithium
It is sillicon
The most important element found on Earth for sustaining life is oxygen. It is essential for respiration in organisms, including humans, and plays a crucial role in various biochemical processes.
The essential element of the lithosphere is silicon. Silicon is one of the most abundant elements in the Earth's crust and is a key component of most rocks and minerals.
Carbon is the most important.
Oxygen (O) is a chemical element with the atomic number 8. It is a highly reactive nonmetal that is essential for life and plays a key role in various biological and geological processes. Oxygen is the most abundant element in the Earth's crust and atmosphere.
The brightest visible objects are: -- the sun -- the moon -- the planet Venus -- the planet Jupiter -- the planet Saturn -- the planet Mars -- the star Sirius