Answer:
10
Explanation:
according to newton's second law f=ma. so a= f/m. then a= 20/2 = 10
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. ... As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
The worm would be unable to burrow and dig through the soil.
Chaetae are involved in the locomotion of the worm by giving the worm grip and <span>tools</span> to burrow <span>through</span>
the soil. <span> </span>Chaetae <span>are</span> made of chitin project from the body wall <span>on</span> each segment are arranged in 4 pairs and are
sited on the ventral surface - two pairs of ventral chaetae are found just
either side of the midventral line and two pairs are further out in the
ventrolateral position (that is just ventral of the side of the worm).
Answer:
esta es la respuesta
Explanation:
Sin el sol, no habría fotosíntesis y la vida no sería sustentable. La fotosíntesis es la reacción química donde el dióxido de carbono (CO2) y el agua forman azúcares y producen oxígeno en presencia de energía lumínica.
