Sample b is the control group because it’s the group not being tested and being kept the same.
Answer:
It is a Barometer
Explanation:
A Thermometer meaures temperature.
A Wind Vane measures the direction of the wind.
A Anemometer measures speed and direction.
Barometer measures air pressure.
Answer: Tin(4+)
Explanation:
It is actually a monoatomic tetracation and an elemental tin.
Also a low-molecular-weight heparin with anticoagulant properties that is used in the prevention and treatment of VENOUS THROMBOEMBOLISM, and to prevent clotting during EXTRACORPOREAL CIRCULATION.
Answer:
2.7 billion
Explanation:
This period is referred to as the Great Oxygenation Event. This period saw the evolution of photosynthetic organisms (cyanobacteria) that utilized carbon dioxide (that dominated the atmosphere then) and sunlight to manufacture their energy molecules-glucose. Photosynthesis produces oxygen as a byproduct that is evolved into the atmosphere. As these photosynthetic organisms proliferated on earth, the atmosphere composition changed to become partly dominated by oxygen (which is an oxidaton agent) with less and less carbon dioxide.
Hello!
I believe the answer is D) Glycolysis
Glycolysis takes place in the cytoplasm of a cell.
I hope it helps!
