The correct answer is A.
(THIS IS HERE TO MAKE THE ANSWER LONG ENOUGH TO SUBMIT... i really hate that you have to have 20 characters or more in order to submit an answer...)
The total temperature change between 3 km and 7 km above Earth's surface is around -20c and -15c.
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The correct answer is, No the Sea Sponges don't have brain.
Explanation:
Sea Sponges are the sea animals. They are found in the seas and oceans of the world. They are very commonly found and are in various colors. They are the animals with no backbone.
Sea Sponges are the animals which have actually no nervous system. They don't have brains, they don't have backbones. So when the young girl poked the sea sponge and the animal contracted, the reason behind this movement is that the sea sponges and other local populations are touch sensitive. They can contract or expand when touched or set free. Their movement is not the sign of having brains in them.
Sea Sponges are found in many colors like green, beige, blue, etc. They also have different shapes.
Learn more about the Sea animals at:
brainly.com/question/12637323
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