Answer:
The Astrand Treadmill Test. The 2.4 km Run Test. The Multistage Bleep Test.
Explanation:
Answer:
Responding or dependent variable
Explanation:
C.
Biotic mean alive, so we can cut off the first 2 easily. Aquatic birds eat frogs, so that one is safe for now. A decrease in something parasitic usually helps the population, so D is out too. The only one left is C.
Answer:
Nucleus
Explanation:
every cell has a nucleus kind of like a factory has a ceo, does this make sense to you?