The answers are:
1. The dependent variable is distance as it varies with the reading time interval of 30 minutes.
2. The independent variable is the elapsed time with a fixed interval of 30 minutes.
3. Natalie had run approximately 8 Km in 40 minutes, marked in the graph. So she must have run, 15-8=7 Km after 40 minutes.
4. To calculate: Average speed, Given: Total distance = 15 Km, Total time elapsed = 150 minutes.
Time in hours will be 

Answer:
Non-living components
Explanation:
Ecosystems include non-living components which are not present in the community.
An ecosystem is made up of communities including living and non - living components.
- A community is made up of only the living components.
- Ecosystem encompasses both biotic and abiotic factors.
- An ecosystem is a larger domain compared to a community.
Answer:
Panther Has no spots on its long body or tail. But it ha shiny coat of dark fur, they have small heads , really strong jaws and mostly green eyes.
Explanation:
I hope this helps
Answer:
Question 1: have an internal skeleton that includes a backbone or spinal column.
Question 2: You didn't upload the picture.
Question 3: Mammal
Question 4: A segmented worm
Question 5: Amphibians have four limbs.
Question 6: Mollusks
Question 7: Arthropod
Question 8: All of the above
Question 9: invertebrates, echinoderms
Can I get a brainliest?