TLS Online TPP Program

#Question id: 15629


Vortexing in a stirred tank reactor can be prevented by using

#SCPH05 I Biotechnology
  1. axial flow impeller
  2. a turbine impeller
  3. baffles in the reactor
  4. multiple impellers
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TLS Online TPP Program

#Question id: 5016

#SCPH28 | Zoology

Approximately how far back in time does the fossil record extend?

TLS Online TPP Program

#Question id: 5017

#SCPH06 I Botany

Arrange these events from earliest to most recent.

1.  emission of lava in what is now Siberia at time of Permian extinctions

2.  emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust

3.  emission of lava that solidified at the same time as rusted iron precipitated from seawater

4.  emission of lava in what is now India at time of Cretaceous extinctions

TLS Online TPP Program

#Question id: 5017

#SCPH28 | Zoology

Arrange these events from earliest to most recent.

1.  emission of lava in what is now Siberia at time of Permian extinctions

2.  emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust

3.  emission of lava that solidified at the same time as rusted iron precipitated from seawater

4.  emission of lava in what is now India at time of Cretaceous extinctions

TLS Online TPP Program

#Question id: 5018

#SCPH06 I Botany

Which event is nearest in time to the end of the period known as snowball Earth?

TLS Online TPP Program

#Question id: 5018

#SCPH28 | Zoology

Which event is nearest in time to the end of the period known as snowball Earth?

TLS Online TPP Program

#Question id: 5019

#SCPH06 I Botany

A major evolutionary episode that corresponds in time most closely with the formation of Pangaea was the