1 A scientist wants to measure the size of a cactus population in a desert valley. What method should she use? A. mark-recapture sampling
B. quadrat sampling
C. computer modeling
D. radio telemetry​

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air