u4-4 why is the world green

flora

• the plant life of a particular region

• glided like a snake

• very important

• related to living matter

obstructed

• was in the way of

• layers in a tree that develops after a regular period of growth, and which is often used to measure the tree's age

• found out something using numbers or quantities

• to wander about; roam

barren

• not able to produce anything

• the plant life of a particular region

• judged the importance or value of

• related to living matter

ramble

• to wander about; roam

• layers in a tree that develops after a regular period of growth, and which is often used to measure the tree's age

• found out something using numbers or quantities

• to decide something after looking at and studying things

discern

• to decide something after looking at and studying things

• ayers in a tree that develops after a regular period of growth, and which is often used to measure the tree's age

• the plant life of a particular region

• very important

slithered

• glided like a snake

• ate

• not able to produce anything

• related to living matter

organic

• related to living matter

• found out something using numbers or quantities

• very important

• the plant life of a particular region

growth rings

• layers in a tree that develops after a regular period of growth, and which is often used to measure the tree's age

• judged the importance or value of

• brought back or re-established

• was in the way of

assessed

• judged the importance or value of

• related to living matter

• was in the way of

• not able to produce anything

crucial

• very important

• not able to produce anything

• related to living matter

• brought back or re-established