Scientific method is one of then I'm pretty sure because that's a way of studying the world around you in a series of steps
Coral reefs are part of the marine and oceanic ecosystem that are hard and made up of calcium carbonate. Planulae is not the major structure of coral reefs.
<h3>What are coral reefs and Planulae?</h3>
Coral reefs are the hard calcium structures that are of three major types barrier, fringing and atoll. They feed on the planktons and algae that are the small structures inhabiting them.
Planulae is a freely swimming larvae of the jellyfish and other species of Ctenophores. They are solid, flat and have cilia over their body.
Therefore, option a. Planulae is not a structure or type of coral reef.
Learn more about coral reefs here:
brainly.com/question/2108897
Answer:
true
Explanation:
stars can change bc Stars change over time. ... It is in the clouds of dust and gas that stars are born. As more and more of the gas (which is mostly hydrogen) is pulled together by gravity into a cloud, the cloud starts to spin. The gas atoms start to bump into each other faster and faster.
If given a chance to advice Mr. Smith, I would recommend him
to minimize going out in the sun when it is at the peak of the morning but if
not possible since he works under the sun, it would be good to put on sunblock
with a highest SPF and use precautionary measures like using hats and wearing
long sleeve to protect also the skin. More
water to hydrate, and vitamins for skin protection.
