Cnidarians <span>are the lower Invertebrates that have a jelly-like layer between endoderm and ectoderm</span>
Answer:
They can use radioactive dating
Explanation:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
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Answer: Solid
Explanation: The rest of the options don't have a definite shape nor volume.
Answer:
a. protein
b. lipid
c. carbohydrate
d. carbohydrate
waterproof coverings and insulation- lipids
f- all of them
g- carbohydrate
h- protein
i- lipids
j- lipids
k- protein and carbohydrate
l- amino acid
Explanation:
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Teach others about the importance of the environment and how they can help save rainforests. Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn't hurt the environment. Establish parks to protect rainforests and wildlife.
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