C. Gives off heat
deadly heat in fact
Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells
Explanation:
Answer:
K+
Explanation:
Leak channels are the gated channels that randomly open and close. The plasma membranes have many more potassium ion (K+) leak channels than the leak channels for other ions such as sodium ion. Also, the potassium ion leak channels are leakier than the sodium leak channels and allow exit of more and more K+ from the neurons. This makes the inside the neuron negative at rest and outside becomes more positive. In this way, the leakage of K+ across the K+ leak channels is mainly responsible for maintaining the resting potential.
Answer:
Paddle like swimmerets are used for movement by crustaceans.
Answer:
Major disadvantage to organic farming are discussed below.
Explanation:
The major Disadvantages of Organic farming:
- Organic food is more costly because growers do not receive as much out of their property as traditional farmers get.
- Making charges are more expensive because growers require more extra labor.
- Retailing and shipping are not effective because organic food is grown in smaller quantities.
