What is represented by the letter X in the equation for cellular respiration shown below?

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Place the steps tor the formation of the enzyme pepsinogen in correct order

Which of the following occurs after a natural or unnatural disturbance in an ecosystem