Examlex
To study past climates, scientists use direct measurements.
Nitrogen
A chemical element with symbol N and atomic number 7, essential for life's building blocks like amino acids, proteins, and nucleic acids.
Carbon
A chemical element with symbol C, essential as the basis for all known living organisms, and forming the basis of organic chemistry.
Enzymes
Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
Magnesium
A chemical element with the symbol Mg, crucial for human health and various biological processes.
Q21: If Earth did not experience endogenic processes,
Q66: When lateral shear causes horizontal movement along
Q85: Which of the following best describes the
Q124: Follow a parcel of warm, moist air
Q133: The movement of water into the atmosphere
Q134: Tropical climates are typically located<br>A) straddling the
Q137: Approximately what percent of the world's irrigation
Q151: Outgassing refers to<br>A) changes in the total
Q158: The topography of Earth's surface has had
Q163: New oceanic crust is formed at mid-ocean