False I think, I’m sorry if I’m wrong but I hope this helps!
On farms the main sources of organic matter are plant litter (plant roots, stubble, leaves, mulch) and animal manures. Earthworms and microorganisms decompose these materials. The process of decomposition releases nutrients which can be taken up by plant roots.
Answer:
seashell-used to be ocean
Palm branch-used to be tropical island
Cactus-unchanged
Insect in sap-used to be forest
Shark tooth- used to be underwater
Answer:
Explanation:
i think its so that there wont be any mistake in when they are collecting their data which simplifys to Experiments are often replicated or repeated even when no obvious mistake was visible
Answer:
it exchanges oxygen and carbon dioxide
Explanation:
You inhale oxygen and exhale carbon dioxide
