Explain how a reduction in the amount of sunlight in an ocean ecosystem could cause greater competition among the consumers.

First to answer will be the brainliest i need the answer asap

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed

1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?