Biology, 05.10.2021 05:00 puppy4151

13.) A skier on a ski lift is making her way to the top of the ski mountain. As the skier moves higher a. The kinetic energy being used to move her up the hill is stored in her by her position b. The potential energy in her is being stored by kinetic energy c. The mechanical energy is being converted into nuclear energy d. Both potential energy and kinetic energy are being stored in the skier 14.) What type of energy is the energy of moving things? a. Mechanical b. Electromagneticc. Sound d. Thermal 15.) What type of energy is the energy released when an atom is split or fused? a. Nuclear b. Electromagnetic c. Sound d. Electricity 16.) What type of energy is the energy that travels through matter in vibrations? a. Electricity b. Electromagnetic c. Sound d. Thermal 17.) What type of energy is the movement of electrons? a. Mechanical b. Electromagnetic c. Sound d. Thermal 18.) What is the source of all energy on earth? a. Plants b. animals c. Fossil fuels d. the sun 19.) Which type of energy does the match that is burning represent? a. Thermal b. Nuclear c. Chemical d. Mechanical

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Biology, 22.06.2019 00:30

On a recent expedition to a remote region of northern canada, scientists uncovered skeletal remains from about 100,000 years ago. surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees fahrenheit (or 538 degrees celsius). which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures? (a) chemical changes that naturally occur during the process of decay in only one north canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. (b) a little over 103,000 years ago, a large fire is known to have occurred in northern canada. (c) strong evidence exists that as early as 70,000 years ago, homo sapiens around the world relied heavily on fire to cook animals. (d) in the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans.

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Biology, 22.06.2019 04:00

Will mark brainliest i only need the ! 1.use ten beads and a centromere of one color to construct the long chromosome. use ten beads and a centromere of a second color to construct the second chromosome in the long pair. make a drawing of the chromosomes in the space below. 2. for the second pair of chromosomes, use only five beads. 3. now model the replication of the chromosomes. make a drawing of your model in the space below. part b: meiosis i during meiosis i, the cell divides into two diploid daughter cells. 4. pair up the chromosomes to form tetrads. use the longer tetrad to model crossing-over. make a drawing of the tetrads in the space below. 5. line up the tetrads across the center of your “cell.” then model what happens to the chromosomes during anaphase i. 6. divide the cell into two daughter cells. use the space below to make a drawing of the result. part c: meiosis ii during meiosis ii, the daughter cells divide again. 7. line up the chromosomes at the center of the first cell, one above the other. separate the chromatids in each chromosome and move them to opposite sides of the cell. 8. repeat step 7 for the second cell. 9. divide each cell into two daughter cells. use the space below to make a drawing of the four haploid cells

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13.) A skier on a ski lift is making her way to the top of the ski mountain. As the skier moves high...

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