subject
Biology, 20.11.2020 03:10 sarahfsakrani

According to the primordial soup model, the first organic molecules could have formed from simpler inorganic substances in Earth's early oceans, but only if there
were a source of energy to cause such chemical reactions to take place. Which are
possible sources of energy that could have led to the production of these first
precursors to life?

a. lightning and cellular respiration
b. nuclear radiation and photosynthesis
c. photosynthesis and cellular respiration
d. solar radiation, volcanic eruptions and lightning

ansver
Answers: 1

Other questions on the subject: Biology

image
Biology, 22.06.2019 01:00, dahn
What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.
Answers: 3
image
Biology, 22.06.2019 03:50, Ruby2480
Explain how the political influence of african americans leaders became weaker.
Answers: 2
image
Biology, 22.06.2019 05:00, samantha9430
This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used
Answers: 2
image
Biology, 22.06.2019 08:00, cailinhannon4828
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
You know the right answer?
According to the primordial soup model, the first organic molecules could have formed from simpler...

Questions in other subjects:

Konu
Mathematics, 09.12.2019 03:31
Konu
Mathematics, 09.12.2019 03:31