Which of these earth systems is most responsible for the increases in global warming?
biosphere
geosphere
cryosphere
exosphere

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?

Which experiment would most likely contain experimental bias ?

Nucleic acid certain protein cell membranes certain carbohydrates