chycen in the exhaled air haemoglobin in the me brengen in the medulla oblongation to change in the A glucose level of the blood oxygen level of the tissue fluid carbon dioxide levels of the blood. DATP levels of mitochondda (3X2) (6) QUESTION 2 (Questions taken from various sources) Give the correct biological term for each of the following descriptions. Write only the term next to the question number (2.1 to 2.3) in your ANSWER BOOK 2.1 The muscles between the ribs that are involved in the mechanism of breathing 2.2 The tendency of Ilving organisms to maintain a constant intercal environmont. 2.3 Air sacs in the lungs.​

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?

What best describes emerging scientific ideas