shankaroon61 shankaroon61

19-09-2020
Geography

contestada

How do we know that oxygen was present in the Archean time period?

Respuesta :

allasthisyear allasthisyear

19-09-2020

We don’t. Scientists believe that oxygen was only in compounds such as water during this time period

Answer Link

Otras preguntas

Select the correct text in the passage. Which sentence in this excerpt forms the purpose statement for a speech about the negative effects of watching too much

At which positions will result in the lowest high tides and the highest low tides of the lunar month (smallest tidal range)? О 1 and 5 0 1 and 3 O3 and 7 O4 an

This is an acid that dissociates 100% into ions. HA -> H+ + A- (Hint: 10 letters)

NO LINKS Natural evil is when a bad state of affairs arises from: Group of answer choices human causes nonhuman causes innate human evil all of the above

The cause is the reason something that happens

pls help i give you brainliest

pls help and show work i am so screwed if i don’t do well on this

Can someone help me out this this question please

Question 1 (1 point) The Alpine Marmot is a kind of large ground squirrel that lives in the mountains and eats grasses, herbs, grains and small insects. During

A smartphone regularly sells for $125. It is on sale this week for $85. The sale price is what percent of the regular price?