13. What base in RNA pairs with adenine? A. uracil
B. cytosine
C. thymine
D. guanine

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Write the balanced chemical equation forphotosynthesis.