Because we are moving with it at the same speed but because that isn’t an answer choice it is probably C
Deficiency of calcium in plants causes reduced internode length and crinkled leaves.
Initial signs of calcium Deficiency include localized tissue necrosis that stunts plant growth and causes young leaves to curl or have necrotic leaf margins, and terminal buds and root tips to eventually die. New growth and tissues that are expanding quickly on the plant are typically the first to be harmed.
- These include boron, copper, iron, manganese, molybdenum and zinc. Most nutrient deficiencies are caused by a lack of nutrient content in the growing medium or nutrient solution
- Plants require calcium in order to develop new growth points and root tips. Symptoms of a deficiency include decreased growth in new leaf, buds, and roots. Younger leaves curl downward and develop tip burn, which is the browning of the leaf edges and tips.
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Answer:
The "bog freshwater" ecosystem is least productive.
Explanation:
The bog freshwater ecosystem is least productive because of the stability or we can say stagnant type. This type of ecosystem comprise of the evergreen shrubs, and trees and also a floor which will be covered with a thick carpet of the sphagnum moss. The animals like carnivore species will be found. The animal population will be very less. It have, red deer, dragonflies and birds such as grouse and plover will be there. The depth of this type of freshwater is about 6-10 feet it can extend up to 16 feet.
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I think so it is molecules
