The heart is made mostly of

vascular tissue
nervous tissue
muscular tissue
connective tissue

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

Where does the information about where each transcription factor binds originate?