A physical change occur when objects or substances undergo a change that does not change in which the composition of a substance changes or one or more substances combine or break up from new substances.
Answer: because every time something eats something 10% of the energy is passed on so it starts as 100% with plants photosynthesizing then the herbivore gets 10% of that energy. The carnivore that eats the herbivore gets 10% of the herbivore’s energy so by the time it gets to the top of the pyramid there is less and less energy to consume.
Answer:
- <u>Similarities And Differences:</u>
If a topic, law or scientific research shares the same origin of study, similar to another topic or term, then they will be compared and further analyzed by the team of scientists and research workers in order to have some conclusions and results.
Explanation:
- As there are many scientific research and analyses which is been carried out in order to analyze the different elements in the process of comparison between any two subjects and terms.
- <em>There are various subjects and topics of research work. Many of the scientific research work are in parallel to each other as they are somehow compared by other scientists and research workers.</em>
Answer:
because of factories and cars and smoking
Explanation:
Answer:
Use the vingear and baking soda experiment but change it to lemon and not vingear.
Explanation:
A chemical reaction takes place when vinegar and baking soda are mixed. One of the new substances formed is carbon dioxide gas. If the carbon dioxide gas is contained, the mass of the substances will stay the same according to the Law of Conservation of Mass. If the gas is allowed to escape, the mass will be less
