1. which of these activities show the importance of evaporation
a . drying of clothes
b . washing of clothes
c .ironing of clothes
d . folding of clothes

2. which of the statements below show the importance of separating mixtures in our everyday life ?
a . rivers and streams have become polluted
b . people have produced fertilizers out of organic kitchen waste
c. drinking water becomes contaminated and not safe for drinking
d. people are dependent on the garbage collectors in the barangay for garbage disposal

3. which of the following describes as the tough fibers of tissues that connect muscles to the bones
a . cartilage
b . collagen
c . ligament
d . tendon

4. which shows the correct order of food traveling through the digestive system ? a . small intestine, large intestine, stomach b . stomach, esophagus, large intestines, small intestines
c . mouth, esophagus, stomach, small intestine, large intestine
d . esophagus, stomach, large intestine, mouth, small intestine

5. which part of the circulatory system pumps blood to all parts of the body ?
a . artery
b. capillary
c . heart
d . Vein

6 . why is the bone marrow important to the body ?
a . it stores much fat
b . it makes the bones strong .
c . it produces red blood cells
d . it produces new bone cells ​