I think the correct answer from the choices listed above is the last option. It would be 50 <span> full-length strands of hair are collected from the scalp to use as a sample. The more sample the better because you can easily repeat an experiment if there are errors found. Hope this answers the question.</span>
Answer:
Adding sodium to chlorine gas will produce table salt. The formation of a new substance shows that both physical and chemical change occurred.
Explanation:
The major reason why it has to be both physical and chemical is because there are some physical features that would change such as weight, appearance, color among others while the chemical properties would have changed immediately the addition occur
Answer:
Most commonly found in crops such as soybeans, corn and canola, GMOs are designed to provide a higher nutritional value to food, as well as protect crops against pests. Organic foods, on the other hand, do not contain any pesticides, fertilizers, solvents or additives.
Organic is non-GMO because the use of GMOs is prohibited in organic production. For example, organic farmers cannot plant GMO seeds, organic livestock cannot eat GMO feed, and organic food manufacturers cannot use GMO ingredients.
From a health perspective, GMO food is no different than non-GMO food. In fact, they can even be healthier. Imagine peanuts that can be genetically engineered to reduce levels of aflatoxin, and gluten-free wheat, which would give those with celiac disease a healthy and tasty bread option
GMO foods are as healthful and safe to eat as their non-GMO counterparts. Some GMO plants have actually been modified to improve their
Answer:
They are caused by an increase in global temperatures
Explanation:
Global warming will cause a change in the weather patterns of a region – called climate change. A place could experience extreme weather such as increased dryness or wetness. This is mainly due to takeup of this heat by the oceans hence influencing global currents.
As the oceans become warmer, they are able to absorb more carbon dioxide from the atmosphere. This causes these water to have a higher acidity than normal because of the formation of carbonic acid.