Giải phương trình
 4x - 2/3 = 0 

3- 3/5x=0

 2x+3=5

1. In the science lab, you should know the location and use of the eyewash, _______, and fire extinguisher. *

explode

first aid kit

experiment

work bench

Mục khác:

2. You are advised to wear a lab coat and ________ to protect you from dangerous chemicals. *

safety glasses

tongs and test tubes

equipment

work bench

Mục khác:

3. You should use __________ when heating a test tube. *

safety glasses

tongs

lab coat

eyewash

Mục khác:

4. Sunscreen protects you against the sun’s harmful ____________. *

oxybezone

titanium oxide

ultraviolet rays

inorganic and organic ingredients

Mục khác:

5. Birds do not _______________ when sitting on power lines. *

get sunburned

get exhausted

get electrocuted

Mục khác:

trình bày vị trí địa lý các điểm giới hạn ( cực bắc cực đông cực tây cực nam) phạm vị lãnh thổ của nước ta

1. Why is food waste harmful to the environment?

TASK 3: Answer the questions given below.

1.     Why is food waste bad for the environment?

_______________________________________________________________________________________________________________________________________________________________________________________________________________

2.     How can we reduce a level of food waste?

_______________________________________________________________________________________________________________________________________________________________________________________________________________

3.     Why should we recycle food waste?

_______________________________________________________________________________________________________________________________________________________________________________________________________________