quantity of light
Explanation:
The likeliest limiting factor that restricts phytoplankton to approximately the top ten feet of the ocean rather than deeper is the quantity of light available.
- Phytoplankton are plants and they are the major producers in bodies of water.
- The require the process of photosynthesis to manufacture their food.
- During photosynthesis, phytoplankton takes in carbon dioxide and water and uses light to produce food in the process.
- This life activity greatly relies on light.
- The upper part of the ocean usually from 0-200m depth is the photic zone.
- Deeper water is aphotic and receives little to no sunlight.
- The photic zone is the zone where light reaches in water.
- There is abundance of light in the photic zone.
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Answer:Mg is aalkline eath meat belongs to group 2.
Explanation:
Its atomic number is 12 and atomic mass is 24.3
Answer:
2.0 × 10⁴ mg
Explanation:
Step 1: Given data
Mass (m): 0.020 kg
Step 2: Convert the mass from kilograms to grams
We will use the conversion factor 1 kg = 1,000 g.
0.020 kg × (1,000 g/1 kg) = 20 g
0.020 kg is equal to 20 g.
Step 3: Convert the mass from grams to milligrams
We will use the conversion factor 1 g = 1,000 mg.
20 g × (1,000 mg/1 g) = 2.0 × 10⁴ mg
20 g is equal to 2.0 × 10⁴ mg. Then, 0.020 kg is equal to 2.0 × 10⁴ mg.
Answer:
1s2 2s2 2p6 3s2 3p6
Explanation:
Calcium is the 20th element. It has 20 electrons in it's neutral state. The electronic configuration is given as;
1s2 2s2 2p6 3s2 3p6 4s2
However in the compound; calcium chloride, it does not exist in it's neutral state.
CaCl2 --> Ca2+ + Cl-
In Ca2+ state, it has lost two electrons, The total number of electrons becomes; 20 - 2 = 18 electrons.
The electronic configuration is given as;
1s2 2s2 2p6 3s2 3p6