Answer:
Ann atom of hydrogen consists of one proton surrounded by one electron
Answer:
Because the shape helps to keep the composition of blood in the body balanced to maintain good health.
Explanation:
The kidneys are two 'bean-shaped' organs in the lower back that serve to conserve water, maintain blood osmolarity, help in acid-base balance, and filter blood plasma. Urine is the fluid product produced by the kidneys which is excreted as waste from the body.
Answer is (C) The birds of Bocas del Toro evolved from immigrants from the mainland.
A scientist studying tropical birds in Panama notices that the environment of the islands of Bocas del Toro is more like the environment of small islands in Honduras than that of the mainland of Panama. She hypothesizes that birds in Bocas del Toro will share more traits with birds on the islands in Honduras than they will with birds on mainland Panama. She records her observations of bird species in all three locations and concludes that the species on Bocas del Toro are more similar to species on the nearby mainland. The similarity in the traits can be because the birds of Bocas del Toro evolved from immigrants from the mainland.
Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
