The answer is; C
C3H8 + 5O2 → 3CO2 + 4H2O
Balancing equations makes sure that the numbers of atoms of an element on one side of the equation are the same as those in the other side. This ensures that the law of conservation of matter is observed because matter cannot be destroyed or created in chemical reactions – therefore the mass of reactants must be the same as those of the products.
the correct answer for this question is D.
Answer:
Melanin, a dark biological pigment (biochrome) found in skin, hair, feathers, scales, eyes, and some internal membranes; it is also found in the peritoneum of many animals (e.g., frogs), but its role there is not understood.
Explanation:
Answer: (A) The Little Ice Age caused shortages of food and reduced the amount of agricultural surplus available for trade.
Explanation:
Whilst the graph is not available, the most likely answer is option A.
The Little Ice Age was a period between the early 14th century and mid 19th century that was so cold that rivers such as the Baltic froze and winters were particularly longer than before.
This led to the planting season being so shortened that there were food shortages and countries were unable to sell much produce as surplus because they needed it themselves.
Answer: Where do I want to live?
What activities do I enjoy?
What personal goals will I have accomplished?
What things would my job need to include in order to make me feel satisfied?
Explanation:
When one wants to consider where to live in the future, one should consider where he or she wants to live. Also, the person should know th activities that they enjoy and the personal goals that they've achieved and still want to achieve.
The number of teachers that the person has have and the weakness of one family members aren't determinant.
