Cyanobacteria, also known as blue-green algae, are found in vast quantities in fresh and salt water. Cyanobacteria are able to conduct photosynthesis. By utilising energy from the sun, they produce carbohydrates from water and carbon dioxide. As a byproduct, they produce oxygen. So cyanobacteria provided oxygen to the atmosphere that allowed other lifeforms to develop.
B because it is a child of 2-5 years
If you have a distension of the stomach that can mean one 4 or more things. you ate something bad or old. you spun around in circles and feel like throwing up. you get a headache and you feel sick from your stomach. you got a stomachache
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Accuracy is being able to hit close to or right around the designated area, precision is being able to hit it dead on
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Scientific laws and theories have different jobs to do. A scientific law predicts the results of certain initial conditions. ... In contrast, a theory tries to provide the most logical explanation about why things happen as they do.
Explanation:
put this in ur own words its copied