Un átomo consta de un núcleo compuesto por con carga positiva y sin carga. El número de partículas con carga positiva del núcleo determina el/la del elemento. Alrededor del núcleo orbitan que ocupan espacios confinados llamados .

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars

These are the components of the reservoirs of carbon that are exchanged in our environment.