Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion.
<span>Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
Hope this helps!</span>
Answer: 1) Adenine pairs with thymine, cytosine pairs with guanine
Explanation: Here’s a helpful tip ;) Think of it as apples to trees, cars to garage. Apples being adenine, trees being thymine. Cars being cytosine and garage being guanine.
Answer:
geographical isolation
Explanation:
Reproductive isolation is a process of evolution that ensures that members of different species are incapable of mating and when they do, such mating do not result into any offspring or leads to the production of invalid offspring.
There are two mechanisms of reproductive isolation:
- Pre-zygotic mechanisms prevents fertilization between two different species and these include habitat isolation, mating seasons, mechanical isolation, gamete isolation, geographical isolation and behavioral isolation.
- Post-zygotic isolation prevents the products of fertilization from becoming valid and this include hybrid inviability, hybrid sterility and hybrid breakdown.
<em>Geographical isolation involves the existence of geographical barriers between two populations such that there cannot be mating between the two. The two populations eventually evolve to become different species.</em>
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Answer:
vitamin c
Cantaloupe.
Citrus fruits and juices, such as orange and grapefruit.
Kiwi fruit.
Mango.
Papaya.
Pineapple.
Strawberries, raspberries, blueberries, and cranberries.
Watermelon.
vitamin a
You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: yellow, red and green (leafy) vegetables, such as spinach, carrots, sweet potatoes and red peppers. yellow fruit, such as mango, papaya and apricots.
