Answer:
C
Explanation:
Acidic soils mean they have more of Al3+ and H+ ions which are acid forming cations. These cations make alkaline forming ions unavailable to plants as nutrients. When the pH of the soil is raised, the Al3+, Fe3+, and H+ are neutralized. The ions bind with –OH ions hence releasing the ions in the negatively-charged sites on the hummus to play a role in the nutrient exchange.
A on the first one and C in the next one I hope this helps
Answer:
The observation is an evidence of static electricity.
Explanation:
Static electricity refers to the stationary electric charge that is produced by friction. In other words, this kind of electricity is created when objects (2 objects for example) that are not good conductors of electricity are rubbed together.
During the rubbing process, electrons from the objects come in contact leading to the creation of a stationary electric charge. A good example of static electricity is when you are combing your hair and you see a spark in the mirror.
Both a shot of whiskey and a bite of chocolate can produce Dopamine feel good chemical in the brain.
What does dopamine do to a person?
Dopamine is accountable for permitting you to sense pleasure and motivation. When you sense precise which, you have accomplished something, it is due to the fact you've got a surge of dopamine withinside the brain.
What feelings does dopamine control?
Dopamine is basically related with emotions of pleasure, which includes the pride a person can also additionally sense from reaching a goal. It is likewise worried in emotions of motivation, sleep, attention, and memory, in addition to being vital in movement.
To know more about Dopamine, click here- brainly.com/question/24803971
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Answer:
A
Explanation:
Thick clouds can trap lots of heat. This has a warming effect on earth.
