AaliyahJordan AaliyahJordan

26-05-2017
Biology

contestada

Scientists believe that the Earth's early atmosphere lacked __________ gas because photosynthetic organisms did not yet exist.

Respuesta :

briannalane120 briannalane120

26-05-2017

The correct answer is oxygen

Answer Link

ejhudson ejhudson

12-04-2019

the answer is C oxygen

Answer Link

Otras preguntas

Which of the following is a scenario in which teacher-centered pedagogy would likely be effective? 1) A large lecture hall with a hundred students 2) A small cl

Find x. First to answer gets Brainliest

If two charges, both positive, are placed near each other, how would the field lines be drawn to represent their interaction? a) Field lines entering both charg

The rate constant of the reaction A → B is 0.6 x 10⁻³mole per litre per second. If the concentration of A is 5 M, then concentration of B after 20 minutes is:a.

Please answer the following questions. You can type or write your response. "Elouise Cobell: A Small Measure of Justice" By Melinda Janko 1. What were the main

When counseling a woman who is considering an abortion, a crisis worker should :a. persuade her to continue the pregnancy.b. inform her of all options, includin

Lowering the transducer frequency will improve temporal resolution, increase sector size, increase the mechanical index, or decrease the propagation speed? 1) i

Are the independent variables (what you control) and dependent variable (what changes because of the independent variable) of your activity? Independent variabl

Though from a very modern family, Marji is deeply religious from an early age and believes she is the last prophet of God: she writes her own holy book, which o

Which of the following has been the result when pollen from Monsanto-patented GMO plants has contaminated the fields of farmers who do NOT use (or want) GMO cro