As the yeast feeds on the sugar, it produces carbon dioxide. With no place to go but up, this gas slowly fills the balloon.
A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough. Once the bread has baked, this is what gives the loaf its airy texture.
Answer: True
Explanation:
The bioethics can be defined as the ethical issues emerging from the advances in the biology and medicines.
It is concerned about the ethical questions that arises while performing any experiment. This is necessary to have a look on the experiments which is going to happen.
There are many types of research work going among life sciences, biotechnology. According to Engelhardt the phenomenon of the bioethics can be understood as modern intellectual undertaking the reefs of post modernity.
Answer:
The atomic model is our understanding of how the atom is structured. At one point in history, people believed that any substance was simply made of that substance and would retain that property no matter how small a quantity it was reduced to. Later, some argued that all matter was made of tiny particles called atoms. While this is correct, later researchers found that even the atoms were made of smaller particles called electron, protons, and neutrons. More recently, scientists have discovered quarks, tiny particles that makeup protons and neutrons.
True
Explanation:
Concerns over a global dependence on fossil fuels include environmental, economic and social consequences. The effect of reliance on fossil fuels cuts across on almost all aspect of life.
- Environmental concerns include pollution, acid rain, global warming e.t.c
- Economic consequences involves monopoly of the energy market, scarcity, inflation, corruption e.t.c
- Social consequences include reduced standard of living, poverty, e.t.c
Fossil fuel is a non-renewable source of energy.
Learn more:
non-renewable energy brainly.com/question/6944540
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