2 and 3 are too similar to distinguish because they both are saying it's been back up on several different accounts but 3 seems like a more solid answer go with 3
Answer:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Iterate: use the results to make new hypotheses or predictions.
The nephron itself does not connect to the ureters
renal corpuscle ⇒ proximal convoluted tubule ⇒ nephron loop ⇒ Distal convoluted tubule ⇒ collecting duct ⇒ papillary duct ⇒ minor calyx - major calyx (union of minor calyces) - renal papilla (union of major calyces) ⇒ renal pelvis ⇒ ureter
Answer:It includes the human-initiated burning of vegetation for land clearing and land-use change as well as natural, lightning-induced fires. Scientists estimate that humans are responsible for about 90% of biomass burning with only a small percentage of natural fires contributing to the total amount of vegetation burned.
Explanation:
i just copied and pasted it off the internet sooo.... yeah
