Answer:
The wood
Explanation:
The block of wood shall float in the water while the iron key would sink due to the weight.
N₂ + 3 H₂ → 2 NH₃
number of moles of N₂ = 38 g / 28 g/mol = 1.357 mol
1 mole of N₂ gives 2 moles of NH₃
1.357 mol of N₂ will give ?? mole NH₃
= 2 x 1.357 = 2.7 mol NH₃
Answer:
Every single celled organism is able to survive because it carries out metabolic activities.
Metabolic activity is a set of chemical reactions which are needed for an organism to maintain it's life
Explanation:
the various types of metabolic processes keep an organism alive. There are various types of metabolic processes that takes place in the body of living organism.
These are cellular respiration, reproduction, excretion, digestion et cetera. Every living cell has these processes going on in their body to keep them alive.
Living organism need energy to carry out these processes which they get by eating food.
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Answer:
See explaination
Explanation:
Please kindly check attachment for the step by step solution of the given problem.
Answer:
thermal circulation cells
Explanation:
The three cell model of global wind circulation model is the model that give some us the relationship between the wind patterns that is present on our earth to the sunlight (heat) received from the sun.
Now the sunlight (heat) received from the sun is dependent on the earth axis tilt and on the heating of the earth’s surface due to solar heating therefore these two comes under the global circulation model apart from that the movement of air is also dependent on the Coriolis force and hence it also comes under the global wind circulation model but thermal circulation cells are the cells that are described in this model and hence they don’t come under this model therefore thermal circulation cell is the option which is absent in the three cell model of global circulation. Therefore option “c” is correct.
