Answer:
1.true
2.false
Explanation:
the only time blood coagulates is when an incompatible blood group comes in contact with it due to the effect of antibodies
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
biotech. engineering, there are a lot of biotech engineers, bcause they no how to cross breed corn, beans, wheat, etc....2 make plants 2 resist drought, stronger against pests, etc....
Answer:
true
Explanation:
Wind is the movement of air caused by the uneven heating of the Earth by the sun.
Hope this helps!
