[Answered] The average C02 level in the earth's atmosphere is ________ ppm yet the common level injected into ...

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Author Question: The average C02 level in the earth's atmosphere is ________ ppm yet the common level injected into ... (Read 66 times)

mmm

Hero Member
Posts: 558

on: Jul 22, 2018

The average C02 level in the earth's atmosphere is ________ ppm yet the common level injected into greenhouses is ________________ ppm.

Fill in the blank(s) with correct word

Question 2

What quality (color) of light stimulates seed germination?

What will be an ideal response?

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Marked as best answer by a Subject Expert

angrybirds13579

Sr. Member
Posts: 344

Reply #1 on: Jul 22, 2018

Answer to Question 1

about 400 ppm, 900-1200 ppm.

Answer to Question 2

Red.

mmm

Member
Posts: 558

Reply 2 on: Jul 22, 2018

TYSM

marict

Member
Posts: 304

Reply 3 on: Yesterday

Wow, this really help

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