Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
Answer:
For number one it is The increase in carbon dioxide are caused by human activity. And The rate of change in carbon dioxide is exponential.
Explanation:
Answer: c. Our higher brain tells us it is inappropriate and incorrect symbolism
Explanation:
We wouldn't we wear formal attire or use forks when eating soup because our higher brain tells us it is inappropriate and incorrect symbolism.
The higher brain helps us to interpret vision, emotions, touch, speech, reasoning etc. Since eating soup with forks isn't appropriate, this will be detected by the higher brain. The higher brain simply performs intellectual functions.
Therefore, the answer is C.
If two parents are going to have one child, the percent probability of having a girl is 50% and the percent probability of having a boy is 50%.
So the correct answer is B. 50% ; 50%
Hope this helps,
Davinia.