Answer: Red blood cells carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.
Explanation:
<span>Fayalite has a hardness of 6.5-7 on the Mohs scale. Therefore it scratches orthoclase (hardness 6), but not topaz (hardness 8).HOPE THIS HELPS:]</span>
Answer: Time is the independent variable, and the number of birds is the dependent variable.
Explanation: The independent variable is a variable that's variation doesn't depend on that of another (it's independent!); or in simpler words, it's the variable that is being changed but is not being measured. It is also often denoted by x. The dependent variable is a variable that's values does depend on that of another (it's 'dependent')-- or it's basically the variable that's be measured. Hope this helps! :)
Skill-related and health-related
Answer:
approximately 100 calories (5 cals per minute)
Explanation:
The weight, type of exercise and time are major factors in determining how many calories are burned during a particular activity. In a moderate exercise, such as walking, a rule of thumb is that about 5 calories per minute are burned for a 70 kg person. In this regard, it is important to note that there are several factors that modify calorie burn estimation, in special the proportion of muscle mass in the body, which in turn depends on many factors including age (higher in young people), sex (higher in men than women), diet, genetics, etc.
