Carbon 14 and Uranium 238 are not used together to determine fossil ages.
Before starting a cleaning task, what should be done is to sanitize first to make sure the cleaning product will work effectively (option A)
<h3>What are the stages of cleaning?</h3>
The stages of cleaning includes the following
1. Pre- Cleaning
The first stage of cleaning is to remove loose debris and substances from the contaminated surface you’re cleaning. You can do this by wiping with a disposable towel, sweeping, or rinsing. This process is also called sanitation. The aim is to remove as much substance as possible to prepare the area for the next stage of cleaning.
2. Main Cleaning
The second stage of cleaning is to loosen any substances, dirt, grease, and debris that you were unable to remove during the pre-clean stage. This involves using hot water and a detergent.
3. The Thirdstage of cleaning is to disinfect the surface, which will destroy bacteria and other microorganisms.
4. The fourth and final stage of cleaning is to dry the surface, and it’s recommended that you air dry where possible.
Therefore the prior process to cleaning is sanitizing the area for effective work.
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Answer:
Most of the metabolic activities occur in the cytoplasm of the cell.
Cytoplasm is a gel-like fluid present within the cell. It consists of all the contents enclosed within a cell membrane excluding the nucleus.
It is mainly composed of water but also contains salts, enzymes, organelles, and organic molecules.
It is the main site for most of the cellular processes such as glycolysis (first stage of cellular respiration), protein synthesis, mitosis and meiosis etc.
The answer is A . nucleus and the cytoplasm.