The temperature influences the appearance of a star because it affects the color of the star. For instance, the hottest stars tend to be white or blue and range from <span>6,000 - 7,500 K. The coolest stars are red and tend to be under 3,500k.</span>
Answer:
a. F. W. Went isolated the chemical substance responsible for
communicating stimulus information- TRUE
b. The chemical substance responsible for communicating stimulus
information is a hormone- TRUE
c.Charles and Francis Darwin confirmed that the tip of a plant stem is
responsible for initiating the phototropic response- TRUE
d.When the tip of a stem is covered with a transparent cap, the stem bends
toward the light source anyway- TRUE
e. When the base of a stem is covered with an opaque shield, the stem
bends away from the light source- FALSE
f. An example of another control mechanism is that some plants require
more than 12 hours of darkness to produce flowers- TRUE
Answer:
B. . The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be
used for cell functions.
cars put pollution in the air and it harms our lungs same with smoking
mark brainliest;)
MRNA, ribsomes,tRNAs, and many enzymatic factors