Does a straw have 2 holes topology? The mathematically correct answer is1 hole. A straw is topologically the product of a circle, which has 1 hole, and an interval, which has 0 holes. So the straw has 1 hole. ... Intuitively, we can agree a circle has 1 hole–the simple closed cu...
百度试题 结果1 题目 ( C )2. Can you show me how to connect the holes in the lid and the cup the straw? A. for B. on C. with D. by 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
This minimizes bumps and holes, which make mowing more difficult. Next, scatter the seed, either by hand or with a mechanical spreader. The seed bag should tell you roughly how many seeds to use in a given area. Compact the seeds with a lawn roller. Rake the seeded area to lightly ...
Baby heads are considered a delicacy. Cabbage does not have to form a head to be edible; you can eat loose leaves. Cut cabbage with a sharp knife when heads are firm and the base of the head is 4 to 10 inches (10-25cm) across. Splitting heads are a sign of irregular watering or ...
Cup with a straw hole Pin How To Make An Anemometer STEP 1: Use the hole puncher to make two holes across from each other, in each of your cups. Pin STEP 2: Push the straw through the holes so that you have two cups on each straw (all must face the same direction). Pin STEP ...
Another option is to find a plastic tub and poke holes in it. Like many activities, worm composting is limited only by your imagination. For example, the community composting system at Common Ground Athens in Athens, Ga., was built by yours truly, using a salvaged bathtub. For temperature ...
Root rot is easily prevented in a few simple steps. Make sure your soil is well-drained. If you are growing plants in containers,ensure the containers have suitable drainage holeson the bottom. Downy Mildew To prevent downy mildew, enhance air circulation by spacing out susceptible plants. ...
Cut down those fold lines until you are around an inch from the center. You don’t have to be too exact with that measurement; just make sure your cuts are each about the same distance from the center. Next, I like to pre-poke holes for the pushpin. This makes it so much easier ...
When planting strawberries in your garden, the holes you dig must be deep and wide enough to spread the roots around. However, if you dig too deep, then the buds will also settle into the soil over time. This should be avoided at all costs because if the bud goes in the soil, the ...
A basic hologram is easier to setup than you might think. HowStuffWorks It doesn't take very many tools to make a hologram. You can make one with: A laser: Red lasers, usually helium-neon (HeNe) lasers, are common in holography. Some home holography experiments rely on the diodes fro...