Answer:
Each principal energy level has one sublevel containing one orbital, an s orbital, that can contain a maximum of two electrons.
Explanation:
<span>The DNA or deoxyribonucleic acid is composed of a pentose sugar,
a base and phosphate group. The bases are adenine, thymine, cytosine and
guanine. Guanine always forms hydrogen bonds with cytosine. Remember the
statement “Apples in the Tree, Cars in the Garage”. The A stands for adenine
and pairs with T-thymine then C – cytosine and G – guanine. </span>
Carbon dioxide accounts for most of the nation's emissions and most of the increase since 1990. Electricity generation is the largest source of greenhouse gas emissions in the United States, followed by transportation.
Answer:
B and C
Explanation:
Selective breeding is a procedure that involves the purposeful breeding of selected parents in order to give rise to offsprings with desired traits. Selective breeding procedure has its own advantages, which includes the ability to produce more animal products such as milk, meat etc, however, it has disadvantages.
The disadvantages include that:
- Selectively bred animals are more likely to have some health problem
- Some desirable traits become more common in a population.
Answer: 41.2 grams will remain undissolved
Explanation: The solubility for the salt is 360 g/liter, or 0.36 g/ml. (Based on the word "around" which I take as the limit of solubility).
Thus, if we have 580 ml, (0.36g/ml)*(580ml) = 208.8 grams dissolve.
(250g - 208.8g) = 41.2 grams undissolved.