Examlex
Chunks of solid material that survive passing through the Earth's atmosphere and are found on the Earth's surface are called
Heart
Muscular organ whose contraction causes blood to circulate in the body of an animal.
Elastic
The ability of an object or material to resume its normal shape after being stretched or compressed, a characteristic of materials like rubber.
Oxytocin
Hormone, released by the posterior pituitary, that causes contraction of the uterus and milk letdown.
Uterus
In mammals, expanded portion of the female reproductive tract through which eggs pass to the environment or in which an embryo develops and is nourished before birth.
Q2: Why are astronomers much more interested in
Q3: One of the great triumphs of spectroscopy
Q5: In a science fiction television show set
Q7: In recent decades, astronomers discovered stars even
Q9: According to the formula E=mc<sup>2</sup>,<br>A) mass has
Q19: Which of the following is a reason
Q22: Astronomers arrange the stars into groups called
Q26: What phase of the Moon must it
Q32: When astronomers carefully examine the planets found
Q34: The 17th century astronomer who kept a