Like what our backyards look like
if so then my backyard has tons of flowers and a big white shed
Answer: Afarensis, A. African us, H. Habilis, H. Erectus, H. Sapiens
The correct answer is C
Explanation: This is how they are arranged from A-E.
Sand dunes or desert pavement
Food - increase in height
Predators - fast reproduction, fast in general
Heat/lack of water - Cam photosynthesis, storage of water
Predator/prey arms war - sensors along side to detect prey, sense of smell, etc
You can use your maximum heart rate (MHR) to calculate how hard you should work.