Answer:
There are both natural and human sources of carbon dioxide emissions. Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.
Explanation:
The right options are;
are disease-causing microorganisms
can be fatal
A pathogens is any substance or organism especially microorganisms that are capable of causing diseases. Pathogens include; bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease. Pathogens can be fatal and can be treated. Pathogens are diverse and they occupy essentially every environment.
Water, dirt, pebbles/gravel, clouds, temperature, sunlight. Hope this helps!
The Reactant would be carbon Dioxide wouldn't it? Because isn't that what goes into Photosynthesis, and oxogen and glucose is the outcome (thankfully!!)
Hoped this helps someone :)))))
