Answer:
A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails, and lycophytes are all pteridophytes.
Explanation:
Answer is: C
Hopefully this helps you, have a nice day! :)
in addition to that; (it's pairs of 4 types of (c))
C. Mutualistic relationship
Flowers and hummingbirds have a mutualistic relationship where both benefit. Flowers produce food in the form of nectar (sugar and water) to attract hummingbirds which, in turn, move pollen for the plant (pollination).
Homeostasis is balance. The shortest answer to your essay is that these 3 systems remove toxins from the body. Some of these toxins are in the air & food we take in, and some are just waste products after we process food.
The digestive system takes the food we eat, pulls out the energy we need to move and live, and passes on the waste to be excreted. If it didn’t excrete the waste, toxins would build up in the body.
The urinary system maintains homeostasis by filtering toxins out of the blood, and deciding how much water should be retained or wasted, based on our blood’s chemistry.
Another part of the excretory system is our skin. We sweat out toxins from exercise.
I hope these ideas are helpful to get to through your essay.
105 kg and velocity = 8.6 m/s
Momentum = 105*8.6 = 903 kgm/s
90 kg and velocity = -9.0 m/s
Momentum = 90*-9 = -810 kgm/s
Momentum of the system = 903 + (-810) = 903 - 810 = 93
Momentum of the system = 93 kgm/s in the direction of the first football player.
