The answer would be C. Sending the first human into space. :D
Answer:
mechanically gated channels; sensory receptors
Explanation:
Answer:
If any of the limiting factors change, animal and plant populations change, too.
Explanation:
it changes it's either it's increasing or the other way around. if it's not favourable organisms leave increasing the population of the other area.
Answer: B
Explanation: took the test 3 days ago and teacher went over the correct answer and i got it right hoped this helped :) PS: i think its the same test as mine is the second question . In humans, the first seven pairs of rib bones are connected to the sternum (breastbone) by cartilage. Which of the following statements describes the main reason why cartilage is important in these bone-to-bone connections?
Stars Like the Sun. When the core runs out of hydrogen fuel, it will contract under the weight of gravity. ... The upper layers will expand and eject material that will collect around the dying star to form a planetary nebula. Finally, the core will cool into a white dwarf and then eventually into a black dwarf.
