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Jugar Test
1. 
What is the weakest part of a tree trunk?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
2. 
What is the hardest part of a tree trunk?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
3. 
What is the recent growth layer of a tree trunk?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
4. 
What is the exterior ring of a tree trunk cross-section?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
5. 
What is the thinnest layer of a tree trunk cross-section?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
6. 
Which layer keeps the trunk vertical?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
7. 
Which layer protects the trunk from external attacks?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
8. 
Which layer transports the nutrients to the branches?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
9. 
Which layer is not generally used because of its weakness?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)
10. 
Which layer is used for all types of woodworking?
A.
Bark (Corteza)
B.
Cambium (Cambium)
C.
Sapwood (Albura)
D.
Heartwood (Duramen)
E.
Pith (Médula)