Groups 3-12 (transition metals)
Group 13 (III) (boron group) 3
Group 14 (IV) (carbon group) 4
Group 15 (V) (pnictogens or nitrogen group)
Answer:
AUCUAG is the correct combination
Explanation:
replace every letter with its xorresponding base pair of mRNA where A=U, T=A , C=G
<span>The speed of sound change as the sound of a boat engine moves down to the depths of the ocean The speed increases and then decreases as the temperature of the water increase. Sound do not travel faster in water than air due to the resistance. The salt and water molecules of the ocean cause interference for the sound wave to travel across it. It it had travel through air, then you can hear the sound of the incoming boat. But if it goes down into the water, and as you know it, going deeper into the water increases the pressure all the more that it muffles the sound of the engine of a boat. That is why it increases then decreases its sound as it goes down the ocean.
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Answer:
Frogs breathe through water through their skin. This means their entire skin is their respiratory system in a way. If they submerge themselves in dirty and impure water, they'll become very easily sick and die.
Answer:
In atmosphere and biosphere: Nitrogen is about 78% of the gases in the atmosphere an it’s a essetial component of the living organisms. It enters plants throught the microorganisms that convert this nitrogen into ammonia. After this conversion, the plants absorb this substance. It can pass to animals when they eat these plants.
Explanation:
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