subject
Biology, 04.12.2020 18:00 maribelarreolap4sgpj

The mass of some corn plants at the end of their growth period was 6 tons per acre. Most of this mass was produced
from
(1) water and organic compounds absorbed from the soil
(2) minerals from the soil and oxygen from the air
) minerals and organic materials absorbed from the soil
(4) water from the soil and carbon dioxide from the air

ansver
Answers: 1

Other questions on the subject: Biology

image
Biology, 21.06.2019 21:20, jaimejohnston2
The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules, vesicles, and sacs8) "packages" enzymes in vesicles for secretion.
Answers: 2
image
Biology, 21.06.2019 22:30, lillitzy8865
How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.
Answers: 2
image
Biology, 22.06.2019 14:50, tabbywitherite84
Involving transcription and translaton. explain the causes and effects of damage to the genetic code.
Answers: 1
image
Biology, 22.06.2019 20:20, asco0317p34v1s
What is the purpose of transcription? a. to copy the nucleotide in dna b. to form rna molecules from dna c. to produce a nucleic acid sequence from an amino acid sequence d. to link amino acids together to form stands of protein
Answers: 2
You know the right answer?
The mass of some corn plants at the end of their growth period was 6 tons per acre. Most of this ma...

Questions in other subjects: