Which of the following gases is NOT found in Earth's atmosphere? oxygen c. hydrogen b. nitrogen d. all of the above are in the atmosphere Please select the best answer from the choices provided A ОВ

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Would really appreciate it, i have an idea but not completely sure

Every early childhood education program should develop a