For nine month because it have to be strong
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction
The teacher
should discuss safety procedure with students at the beginning of the experiment
or laboratory assignment. The teacher
should give list of rules for students.
1.
Always wear safety goggles.
2.
Never
touch or rub eyes of face during science investigation.
3.
Keep lids on when not in use.
4.
Never use broken/chipped glassware.
Answer:
1. Make sure there are lots of bike paths
2. Design roads that work well with the area's public transportation
3. Include an HOV lane in the design
Explanation:
Green transportation planning is a form of planning in which roads are designed such that individuals are discouraged to drive alone on the road and at the same time utilized more environmentally friendly means of transportation. It also includes designing adequate lanes or paths for specific kinds of traffic or transportation.
Hence, in this case, the correct answers are:
1. Make sure there are lots of bike paths
2. Design roads that work well with the area's public transportation
3. Include an HOV lane in the design
Climate variability and change affects birdlife and animals in a number of ways; birds lay eggs earlier in the year than usual, plants bloom earlier and mammals are come out of hibernation sooner. Distribution of animals is also affected; with many species moving closer to the poles as a response to the rise in global temperatures. Birds are migrating and arriving at their nesting grounds earlier, and the nesting grounds that they are moving to are not as far away as they used to be and in some countries the birds don’t even leave anymore, as the climate is suitable all year round.
