(C)theories can be used to predict the existence of as of yet unobserved things or phenomena
Answer:
850
Explanation:
rate of population increase = birthrate - death rate + immigration - emigration
= 1400 - 600 + 100 - 50 = 850
Answer:
The larva stage of skilworm is a worm-like creature that emerges from the egg, the first life stage. And the pupa stage of silkworm is the sedentary, transformative form following the larval stage
Answer: D. Heat
Explanation : Water Vapor is a source of warmth, since the heat that is radiated from Earth is absorbed by the water vapor. This is why greenhouses use water vapor as well.
Answer:
i need more info to do it
Explanation: