Answer: Butterflies survive long enough to reproduce by avoiding the many predators that feed on them, such as birds, amphibians, reptiles and mammals. One of the butterfly's adaptations for predator avoidance is to have the same color or pattern as its surroundings, making it difficult to see.
Hope this helps Have a good day
Its A
110 400
235 x
Then cross multiply.... 110 times x = 110x
400 x 235 = 94000
then all that's left is to divide.
94000/110 :) = 854.46
Answer:
The percentage of space not occupied by solid matter in soil is called :
B. Porosity.
Explanation:
- Porosity is represented as the percentage of void in the soil.
- In simple words, it is the number of pores present in a soil.
- The porosity of soil is a factor that determines the quality and suitability of the soil for agriculture.
- A more porous soil does not hold lot of water and nutrient while a less porous soil retains water and nutrient.
- Thus neither a extremely porous nor a less porous soil is suitable for agriculture.
It's something to do with the fact that having sickle cell anaemia reduces the chances of contracting malaria, obviously a very common disease in Africa. I'm not quite sure what the link is but hopefully this helps a little bit?
