Answer:
The Energy did not appear. The energy of the particles increased while the ice was melting. The warmer the object is, the more energy the object has.
Tundras and deserts have a number of similarities such as their lack of water or how organisms that inhabit them are have special features to survive their extreme weather. Both are nearly unsustainable for human life and have just like the tundra, deserts have freezing temperatures at night.
Answer:
we need tropical rain forests because they produce oxygen and clean the atmosphere to help us breathe. They also provide us with medicinal plants and may be the source to cure deadly diseases.
The correct answer is B. Cells divide, producing more cells.
Explanation
The cell is the basic unit of life for all living things. Likewise, it is a form of classification for them since living organisms can be classified according to the number of cells they have unicellular (a single cell), multicellular (more than one cell). In organisms that have more than one cell, they divide to produce more cells and form the organs and tissues themselves. Cell division can occur from two processes that are mitosis and meiosis in which two and four cells are produced respectively. According to the above, the correct answer is B. Cells divide and producing more cells.
Answer:
Brazil is a South-American country that has political independence from the 19th Century.
Explanation:
Brazil was a Portuguese colony until 19th Century when it gained political and economical independence. It is today one of the leading economies in the region that has democratic leadership, that is independent towards every other country. Political independence of the country is the main reason why we can discuss about Brazil as an independent country.
