Select the correct answer from each drop-down menu.

David is a research scientist who is giving a lecture to a class of students on how life began on earth. Help him complete the sentences.

Scientist have found 1) ________ containing fossilize cyanobacteria (blue-green algae). They show that life has been present on the earth from early ages. Oparin and Haldane were two scientists who hypothesized that life needed reducing environments initially to appear. The ocean in the early ages was 2) _________ (devoid of oxygen) and acidic.

ANSWER OPTIONS:

1)

A) shells
B) stromatolites
C) rocks

2)

A) anoxic
B) toxic
C) pyrexic

Answers

Answer 1

Answer:

1)

stromatolites

2)

anoxic

i don't know that if this is right or wrong sorry if it is wrong


Related Questions

why do you think the medical doctors and engineers are so in demand in the South African economy?​

Answers

Answer:

Olá, boa tarde. Caso precise, estou a disposição para a realização de trabalhos acadêmicos, entre em contato comigo, Fernanda 21994321300Explanation:

Medical doctors and engineers are so in demand in the South African economy is as South Africa's 8 clinical colleges every produce approximately 2 hundred medical doctors a year.

Why does South Africa want medical doctors?

One of the maximum not unusual place motives for the lack of medical doctors is the reality that now no longer sufficient are produced yearly with the aid of using the USA's clinical colleges.Such surgeons are few withinside the USA consequently the excessive call for withinside the market.

Currently, they earn around 119,000 ZAR in line with the month for his or their services. Other highly-paying clinical jobs include: Engineering talents are constantly in call for the duration of the world. In South Africa particularly, engineering guides can offer first-rate employment opportunities.

Read more about the economy:

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