Using real-life examples, explain one cultural and scientific space innovation of russia during the twentieth century. write at least 3-4 sentences to explain the space technology, the scientist responsible for the innovation, and the impact on russian society (or the world).

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take five to 10 minutes to warm up and cool down properly.

plan to start slowly and boost your activity level gradually unless you are already exercising frequently and vigorously.

be aware that training too hard or too often can cause overuse injuries like stress fractures, stiff or sore joints and muscles, and inflamed tendons and ligaments. sports prompting repetitive wear and tear on certain parts of your body — such as swimming (shoulders), jogging (knees, ankles, and feet), tennis (elbows) — are often overuse culprits, too. a mix of different kinds of activities and sufficient rest is safer.

listen to your body. hold off on exercise when you're sick or feeling very fatigued. cut back if you cannot finish an exercise session, feel faint after exercise or fatigued during the day, or suffer persistent aches and pains in joints after exercising.

if you stop exercising for a while, drop back to a lower level of exercise initially. if you're doing strength training, for example, lift lighter weights or do fewer reps or sets.

for most people, simply drinking plenty of water is sufficient. but if you're working out especially hard or doing a marathon or triathlon, choose drinks that replace fluids plus essential electrolytes.

choose clothes and shoes designed for your type of exercise. replace shoes every six months as cushioning wears out.

for strength training, good form is essential. initially use no weight, or very light weights, when learning the exercises. never sacrifice good form by hurrying to finish reps or sets, or struggling to lift heavier weights.

exercising vigorously in hot, humid conditions can lead to serious overheating and dehydration. slow your pace when the temperature rises above 70°f. on days when the thermometer is expected to reach 80°f, exercise during cooler morning or evening hours or at an air-conditioned gym. watch for signs of overheating, such as headache, dizziness, nausea, faintness, cramps, or palpitations.

dress properly for cold-weather workouts to avoid hypothermia. depending on the temperature, wear layers you can peel off as you warm up. don't forget gloves.

your answer will most likely be a.

hamas is the terrorist group present in palestine.terrorism has been a feature of life in israel even before the country's establishment in 1948.as per israeli government, 3200 people have died in terrorist attacks.

in january 2007, meshal stated that hamas would consider recognizing israel once a palestinian state was established. a haaretz story noted, "this is the first time that a hamas official has raised the possibility of full and official recognition of israel in the future." according to the story, prime minister ehud olmert "shrugged off" meshal's statement.

in december 2010, hamas announced it would honor any palestinian referendum that approved a peace plan with israel. "we accept a palestinian state on the borders of 1967, with jerusalem as its capital, the release of palestinian prisoners, and the resolution of the issue of refugees," said haniyeh. "hamas will respect the results [of a referendum]," he added, "regardless of whether it differs with its ideology and principles." zvi bar'el, a leading haaretz political analyst, noted: "not a return of refugees, not the destruction of the state of israel, no preconditions.