Answer:
b. It allows gas exchange while preventing water loss
Explanation:
Amniotic eggs are the feature of land animals such as reptiles, birds, mammals, etc. The amniotic eggs have four extra-embryonic membranes. This semipermeable protective shell allows the exchange of respiratory gases but does not support the transport of water out of the egg.
The ability to maintain the water inside the egg while permitting gaseous exchange is the specific feature of amniotic eggs and allowed diversification of land animals in the land habitats.
Answer:
To be honest, both resources are really good! If i were you i would go to the library for information. If you don't want to go anywhere than online is best.
Explanation:
Im really sorry if my opinion wasn't what you needed.
it becomes how much of the plant is composed of non-cellular material, like wood. Trees are usually between 60 and 80% water, bushier, less woody plants and water plants can be up to 95% water. Finally, as pointed out, humans are animals, so go with the animal stats for humans. 68% water about average.
Answer:
<em>B. Methyl yellow, which changes from yellow to red around a pH of
</em>
<em>4.0</em>
Explanation:
A pH indicator is a technique by which the pH of a solution can be known. The scenario in the question describes that the scientist wants to determine a pH after it gets converted from 6 to below 4. For this recognition, the scientist should use a methyl yellow indicator which will change from yellow to red once a pH around 4 is achieved.
