<span>d- They take in oxygen gas dissolved in the water through their gills.
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Striated Muscles. Cardiac muscles are in your heart, cartilage is flexible connective tissue found in various forms in the larynx and respiratory tract. Organs are things like your heart, stomach, liver, etc.
Idk bro sorry but I’m only in the 7th grade and don’t take biology
Answer:
- corrosion
- bases
- 7
- It warys of how much concentration there is
- over 7
EXPLANATION:
plz can i get brainliest:)