Answer:
B
Explanation:
negative feedback is used to regulate feedback
Answer:
Some versions have more steps, while others may have only a few. However, they all begin with the identification of a problem or a question to be answered based on observations of the world around us.
Explanation:
please give brainliest
Answer:
They are home to many species of fish and Marine invertebrates.
Explanation:
Coral reef refers to large underwater ecosystem which comprises of dead and living corals.
Coral reef is made up of calcium carbonate.
They serve as habitat or home for Marine animals.
They are the source of nitrogen and essential nutrients for Marine animals.
Answer:
it might catch to much sun with black petals or no sun at all with none so in other words it would probably die.
Explanation:
white reflects heat, black attracts heat
Answer:
- False
- True
- True
- False
- False
- True
Explanation:
A hypothesis is a supposition draw from data to carry an investigation or an argumentation.
1. The onion cells I looked at have a nucleus. False, even though the statement is true, is not a hypothesis because is not a supposition, it is rather an observation.
2. All onion cells have a nucleus. True, it is s a <u>valid hypothesis</u> because after the observation of 10 cells you draw a conclusion or supposition and affirm that all onion cells have a nucleus.
3. All cells have a nucleus. True, it is a<u> valid hypothesis</u> it contains a supposition derived from data observation
4. Some cells have a nucleus. False, the hypothesis is not valid because all of the observed cells contained nucleus not only some of them.
5. Only onion cells have a nucleus. False, after the observation of the different type of cells you see that they all had nucleus.
6. If I look at 10 skin cells from my hand, each one will have a nucleus. True, after the observation of different cells you can infer that if you look at your skin cells, they will have a nucleus.
