Grassland are a. characterized by heavy rainfall year round b. characterized by warm temperatures year round c. found in the interior of continents d. located only in north america

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight