Jenny is learning about the importance of the ozone layer. she was upset to know that there is a depletion of the ozone layer and human activities are adding to it. while she decides to spread awareness on the effects of pollution and reasons to curb it, she cannot do anything about the natural process of ozone depletion. what is the natural process that is causing the depletion of the ozone layer? a. one that ensures ecological balance b. burning of fossil fuel c. uv rays reacting with the o2 molecules d. carbon cycle e. oxygen cycle
Answers: 1
SAT, 23.06.2019 18:30
Match the scsi standard to the definition that best describes it. 1. also called ultra scsi; has a transfer rate up to 30 mbps and 8-bit bus 2. transfer rate of 5 mbps and 8-bit bus 3. also called firewire; has a transfer rate up to 100 mbps and can connect up to 63 devices 4. consists of two protocols; fast scsi with speeds up to 10 mbps using an 8-bit bus and wide scsi, which uses 16- or 32-bit buses serial scsi scsi-2 scsi-3 scsi-1
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SAT, 24.06.2019 21:00
The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?
Answers: 1
SAT, 26.06.2019 05:30
In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers
Answers: 1
Jenny is learning about the importance of the ozone layer. she was upset to know that there is a dep...
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