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 why do we need trees for oxygen

why do we need trees for oxygen

Day is an holiday that celebrates. The name, in fact, comes from the Latin word, which means. Each Day, people are encouraged to plant and. Day got started on April 10, 1872, in Nebraska City, Nebraska. J. Sterling Morton, a respected who served as President Grover Cleveland's Secretary of Agriculture, came up with the idea for Day as a way to encourage individuals and groups to plant trees. On the very first Day in 1872, approximately one million trees were planted in Nebraska. Although National Day is the last Friday in April, many states observe Day on a different date based upon the best time to plants trees locally. Day in your state? Just click on your state on the map to find out when your state observes Day. Why is it important to plant trees? They prevent of the soil, as well as

 why is a stink bug called a stink bug

why is a stink bug called a stink bug

Scientists describe stink bugs in several different ways. Some scientists call them Бlarge, oval-shaped insects. Б Other scientists call them Бshield-shaped insects. Б Adult stink bugs can reach almost 2 cm in length. They are almost as wide as they are long. Their legs extend from the sides, so this makes the adult bugs look even larger than they really are. Immature stink bugs, called nymphs, are very tiny when they hatch from their eggs. As they develop, the nymphs molt or shed their skin five times. Each time it molts, the nymph becomes larger. By the last molt, the nymphs are almost as large as adult stink bugs. Adult stink bugs are good fliers and fold their wings on top of their body when they land. Nymphs do not have fully developed wings. The wings appear when the nymph becomes

 why do people develop allergies later in life

why do people develop allergies later in life

Those lucky enough to skate through childhood and adolescence without itchy, watery eyes aren't immune fromВ for life. Developing adult-onset allergies в from seasonal allergies to food allergies в is possible no matter how old you are. when your immune system mistakenly identifies a substance such as pollen, mold, animal dander, or food as harmful. That substance is referred to as an allergen. The allergen stimulates immune system cells to release certain chemicals, such as histamine, which then lead to. Depending on the allergen, allergy symptoms can involve the nasal passages, eyes, sinuses, airways, skin, and digestive system. Reactions can vary from mild to severe and, in some cases, cause, a life-threatening condition. Why Allergies Now? There's a lot experts still don't know about

 why do we need to conserve energy

why do we need to conserve energy

Why Do We Need to Save Energy? You've probably heard the grown-ups in your house say "Turn off the light! " or "Close the refrigerator door! " Have you ever wondered why? Energy is there whenever we need it, so it's easy to forget where it comes from, or how much it costs. It all adds up Every year, we use more energy than we did the year before. In fact, the amount of energy Americans use has doubled about every 20 years. All of that energy adds up, and much of it is wasted by using too much or not using it wisely. Energy isn't free. The grown-ups in your house pay for the all the electricity you use. So wasting energy is the same as wasting money - and we know that's not a good idea! Wasting energy isn't good for the environment either. Most of the energy sources we depend on, like coal

 why do rainforests have so many plants and animals

why do rainforests have so many plants and animals

Rainforests have an abundance of plants and animals for the following reasons: ul style= font-family:'Times New Roman';font-size:medium;line-height:normal; li Climate: because rainforests are located in tropical regions, they receive a lot of sunlight. The sunlight is converted to energy by plants through the process of photosynthesis. Since there is a lot of sunlight, there is a lot of energy in the rainforest. This energy is stored in plant vegetation, which is eaten by animals. The abundance of energy supports an abundance of plant and animal species. /li li the canopy structure of the rainforest provides an abundance of places for plants to grow and animals to live. The canopy offers sources of food, shelter, and hiding places, providing for interaction between different

 why do people cry in the shower

why do people cry in the shower

This knowledge is useful, so read this well it took me more than 3 years in order to find this technique, I hope you will discover it in yourself in much less time. What s this about? Basically, your body and mind, in one word, being, is more often than not under some form of stress, be it physical or psychological. Any kind of stress will result in emotions. You can be stressed by a hammer hitting you on the finger (a physical stress) but the end-result is emotions (in this case, probably anger). This stress will resurface every now and then, depending on your lifestyle, but it will resurface in form of emotions. Imagine yourself as a pressure valve you accumulate (emotional) pressure and then, if you don t have a way of releasing it, and mind you, an effective way, you break apart,

 why do people get blisters on their feet

why do people get blisters on their feet

Remember those new shoes you got for school? Or those new shoes you bought for track? Or those new soccer cleats you just had to have before the new season started? There's nothing quite like a fresh new pair of kicks to make you feel your best. You slide your into them and your stuff at school, on the track, or on the field. But by the end of the day or the close of practice, your feet might be hurting. In fact, you might have a very area around your that burns and hurts to touch. What's going on here? Chances are those new shoes may have given you a! A is a condition in which from two surfaces together causes an area of to become raised with a liquid just beneath the. They're basically fluid-filled bumps that look like bubbles. Blisters are most common on the hands and feet. and from

 why do veins pop out on legs

why do veins pop out on legs

If you notice protruding veins on your legs, you may wonder, Why are my veins bulging, and is this normal? While you may consider them to be unsightly, bulging veins are not always a sign of. Therefore, it is important understand the difference between that are healthy and those that signify underlying medical conditions that require a trip to see a vein specialist for evaluation and treatment. Why Are My Veins Bulging? Is it a good or a bad thing when your veins pop out or protrude? It depends on the circumstances as well as any side effects that may accompany the bulging veins. Do you experience unexplained pain, heaviness, or fatigue in the same area of the bulging veins? Does the area feel warm to the touch? Are your bulging veins spreading or becoming larger? These are important

 why do you have to brush your teeth

why do you have to brush your teeth

January 21, 2015 Brushing your teeth at least twice a day should be an integral part of your day, just as its vital you eat. There are many reasons why itБs important that you brush your teeth twice a day, some of the reasons are obvious whilst others are less commonly known. Here are eight reasons why you should be brushing your teeth everyday: Maintaining a fresh breath: When you donБt brush your teeth regularly, bacteria build up occurs in the mouth which can cause a variety of problems. To prevent bacteria building up, make sure to brush your teeth twice a day as well as chewing sugar free gum after each meal. Prevents gum disease: You are at risk of plaque build-up on the teeth when you donБt brush often. Plaque is an accumulation of bacteria and food that occurs in everyoneБs

 why do polar bears need ice caps

why do polar bears need ice caps

Polar bears are losing life-sustaining sea ice crucial for hunting, resting and breeding in all 19 regions of the they inhabit, a study warned on Wednesday. As climate change pushes up Arctic temperatures, ice is melting earlier in spring and refreezing later in autumn, a team of researchers reported in the Cryosphere, a journal of the European Geosciences Union. Satellite data revealed that the total number of ice-covered days across the 19 regions declined at a rate of seven to 19 days per decade from 1979 to 2014, the researchers said. БTheir dependence on sea ice means that climate warming poses the single most important threat to (polar bearsБ) persistence,Б wrote the team. The global population of polar bears ( Ursus maritimus) is estimated at about 25,000, said the study. The

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