is exposure to air is necessary for microbial growth? why?

Q: Read these sentences from the text. "In the years right after the invasion, phytoplankton fell by 80…

A: The amount of phyto plankton and zoo plankton declined some percentage. The word decline indicates…

Q: if you are making a set of standards from a 10.0mg/L standard, show the calculation and explain how…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: True or false, Chemical warfare is a natural disaster?

A: The statement given is "Chemical warfare is a natural disaster".

Q: 1. Analyze the plastic Polyethylene terephthalate: a)What are the advantages (think properties)…

A: Polyethylene terephthalate stands for PET which is a type of plastic commonly used as a single use…

Q: List the micro nutrients.

A: Micronutrients are nutrients which plants require in much smaller amounts.

Q: The following is a list of potential hazardous waste generators. Explain the possible hazardous…

A: Here are the possible hazardous wastes generated by each of the given generators and how they are…

Q: What is the chemical reaction for the combustion of PVC? Which, if any, are environmental…

A:

Q: Direction: Classify each example below. Write C, if it is chemical, M, if it is mechanical, and B,…

A: A seed has found its way into a rock and a plant is beginning to split the small stone :- this is…

Q: Nitrogen fixation occurs through atmospheric, industrial, and biological processes. Which of these…

A:

Q: Which activities are likely to cause contamination of stock chemicals in the laboratory?

A: Answer - Contamination of stock chemicals in the laboratory - The most common biological…

Q: Please briefly discuss your opinion on greening or/and growing and propose three actions that you…

A: A question based on environmental pollution that is to be accomplished.

Q: How do contaminants transfer within an ecosystem or between ecosystems?

A: A substance that pollutes or contaminates a system is called a contaminant. It can be toxic or…

Q: Tadpole Mold Trout Bear Cattails

A:

Q: There are roughly 17 nutrients required by plants.  (14 mineral nutrients, 3 come from air and…

A: There are roughly 17 nutrients required by plants. Secondary nutrients in plants = ?

Q: What is the oxygen carrier for humans and higher order living things?

A: Oxygen is important for living organisms, It plays a vital role in all the processes like…

Q: Create a food chain with the organisms provided FOOD CHAIN SET I Identify the Producer, Consumer,…

A: bacteria to corn seeds to mouse to snake to owl is the food chain

Q: why do we use carbon monoxide monitors indoors? In normal situations is carbon dioxide considered A…

A: CO binds to heme of hemoglobin and hinders the transfer of oxygen molecule through blood which can…