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Questions in biology

[Terjawab] The outer layer of the skin is called the A. skeleton B. dermis C. epidermis D. subcutaneous tissue

[Terjawab] Listen. Ions that regulate metabolic processes are called: A. ammonia B. electrolytes C. uric acid D. creatinine

[Terjawab] Which of the following is considered a mature sex cell? A. Gamete B. Chorion C. Zygote D. Amnion

[Terjawab] Which of the following is required for photosynthesis to take place? a. sugar b. oxygen c. ATP d. water

[Terjawab] What is the primary purpose of tillage? A. Increase soil erosion B. Improve soil aeration & seedbed preparation C. Reduce water retention D. Kill all microorganisms

[Terjawab] What is the term for a synapse that connects to a dendrite of the postsynaptic cell?

[Terjawab] Can viruses make you catch a cold after touching something contaminated?

[Terjawab] Calculate the mean change in mass at 1.0 mol/dm³ concentration, given the change in mass values are -0.22, -0.30, and -0.32.

[Terjawab] Describe the El Nino phenomenon and identify how energy and mass are exchanged among the subsystems. Use different types of lines or boxes to differentiate between matter/materials and energy. 1. Use arrows to indicate interaction between components. 2. Answer the following questions: * How does energy flow or exchange among subsystems? * How does matter flow or exchange among subsystems?

[Terjawab] Column I a. House fly b. Cockroach c. Mosquito d. Infants Column II (i) biting and chewing (ii) suckling (iii) siphoning (iv) sucking