EARTH'S PROTECTIVE SHIELD. Earth is surrounded by invisible gases that form a thin protective blanket that we call the atmosphere. It contains the oxygen that we breath as well as other important gases such as nitrogen, carbon dioxide, water vapor, and ozone.
It would be x and y chromosomes
The answer is B) change the rate of reaction
Answer:
I have the exact answer and will put it in the comments or explanation.
Explanation:
April fools. Lol sorry I did this a long time ago in science but cant remember Im so sorry! Please still give brianliest though! Im trying to move up a level but need more brainliest to do so!
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Answer:
b. muscle
Explanation:
The Sponges usually known as Porifera (pore bearers) are aquatic filter feeders. The sponges consist of structural materials (spongin, spicules) which are usually made of calcium carbonate and/or silica. These structures forms their skeletal materials giving their body a thin sheet of cells over a frame (skeleton). As invetebrate and at the unicellular level of organization, Sponges lack muscle.