The data given are
melting point density
<span>Zinc 419.53 oC 7.134
Nickel 1455oC 8.912
Copper 1084.62oC 8.96
Silver 961.78oC 10.501
Gold 1064.18oC 19.282
density is the mass per unit volume. Melting point is determined by the intermolecular forces between particles in the solids.
We </span>have been asked to find which cube weighs the most
density = mass/volume
when volume is constant for all the metals, then density is directly proportional to mass. Therefore metal with highest density has the highest mass.
from the given metals, metal with highest density is Gold.
correct answer is Gold.
Answer:
water is constantly moving across the earth. The water is strong enough to break down soil in tiny pieces. What’s happening is a process called erosion. Erosion is: the process of eroding or being eroded by wind, water, or other natural agents.
"the problem of soil erosion".
Water also carries sand and moves it around, this obviously changes the shape of the earths surface!
Explanation:
This is because food with high content of saturated day and cholesterol can cause different diseases, and to promote that the food is healthy, food advertisers state that their food is non-fat and cholesterol-free.
A common disease is caused because of the high intake of fatty food and food that has high levels of cholesterol, is Coronary Heart Disease (CHD). It is where the coronary artery is blocked by fatty plaques or blood clots. In this way, blood flow to the heart muscles is decreased or even cut off. This may lead to the damage of the cells and eventually the heart may not function.
Answer: Food webs are bigger, food chain is smaller.
Explanation:
Food webs are multiple food chains into one web.
Answer:
Reusing
Explanation:
Reusing is the process of using the same thing, resource, again and again, sometimes for the same purpose and sometimes for the new one. This reuse can have many economical and ecological benefits.
There are many ways to reuse and start this process of ecological thinking:
- in the shopping, reusable bags can be used instead of the plastic ones
- Reuse of the water-the water already used for washing can be used for watering the plants
- Use the benefits of the rain
