What is the function of hemoglobin?

A. to carry oxygen

B. to carry carbon dioxide

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?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Iwanna go do something with my ideas? ?