What features signifies to astronomers that a distant star is part of a planetary system

A) the star periodically dims

B) the star expands into a red giant

C) the star moves through the sky

D) the star continuously gets brighter

What direction do the Sun, Moon, and stars appear to move in the sky?

You have discovered a new gene that encodes an unusual regulatory subunit of PKA, which you name Ro. As with the R2C2 version of PKA, Ro forms a dimer and interacts with two molecules of the same catalytic subunit (C) found in PKA to form a Ro2C2

Jake wants to enrich the nitrogen content of his soil through fixation. Which crop can he use for this purpose?

Slow cooling of hot magma leads to the formation of what crystals

What breaks carbohydrates down a. proteases b. carbohydrases c. lipase d. pepsin

A client comes into the emergency room (er) after hitting his head while playing basketball. he is alert and oriented. which is a priority nursing intervention? assess full range of motion (rom) to determine extent of injuries.

How do nurse researchers strive for constancy of conditions in implementing a treatment?

Explain the relationship between mutation, natural selection, adaption, and extinction

When are phytoplankton counts the highest?

Diamond is The hardest mineral on the mohs scale A no nonmetallic element The only mineral with luster An isotope of silicon