Which of the following conditions is least likely to have an effect on natural selection in a species of sheep that are geographically isolated on an island?

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia

In figure 1-2 what is the distance from point b to point c?