It seems that plants have not lost the ability to use up to 1,500 PPM of CO2. Plant growth can be accelerated by increasing the CO2 levels in your growing area. Conversely, CO2 levels below 250 PPM have a detrimental effect on your plants.If you have six plants growing in your closet, and there is no ventilation, your plants can use the CO2 in a few hours. They then stop growing.You must, at a minimum, provide fresh air for your plants every hour or so.onversely, CO2 levels below 250 PPM have a detrimental effect on your plants. If you have six plants growing in your closet, and there is no ventilation, your plants can use the CO2 in a few hours. They then stop growing. You must, at a minimum, provide fresh air for your plants every hour or so.
To decipher is defined as to decode or work out a hidden meaning. An example of to decipher is to use a key to understand a coded message. 1  to translate (a message in cipher or code) into ordinary, understandable language; decode.  to make out the meaning of (ancient inscriptions, illegible writing, etc.)
Deci comes from the latin Decimus which means one tenth. A prefix of deci-would mean one tenth of whatever the word is. Deciliter is one-tenth of a liter.Decibel is one-tent â¦ h of a bel, and is a unit of measurement of power. Decimeter is one-tenth of a meter.3 people found this useful.enti means a hundredth of something. Examples are centimeter (a hundredth of a meter) and centigrams (a hundredth of a gram).