Examlex
Only organisms with chloroplasts are capable of photosynthesis.
Radon-222
A naturally occurring radioactive gas produced by the decay of uranium in the Earth's crust, known for its health risks, particularly lung cancer, when accumulated in buildings.
Air Pollutant
Substances in the air that can have harmful effects on the health of living creatures or the environment, including gases, particulates, and biological molecules.
Global Warming
The ongoing rise in Earth’s surface temperature, primarily due to the emission of greenhouse gases from human activities, leading to climate change and associated impacts.
Stratosphere
The layer of the Earth's atmosphere located above the troposphere, characterized by a slight temperature increase with altitude and the presence of the ozone layer.
Q3: The blood that enters the coronary artery
Q11: Which of the following is not true
Q18: Which component of the extracellualr matrix is
Q40: The cell membrane is composed of<br>A) proteins
Q40: Which of the following molecules is NOT
Q47: Which organ is not part of the
Q51: Write the overall chemical equation for photosynthesis
Q63: Since pure water is neutral,it contains<br>A) no
Q71: All of the following are possible origins
Q76: Biologists are fairly certain that oxygen was